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html Forms inside reactJS

javascript,html,reactjs
I used the (almost) exact syntax for creating an html form in react: var Hello = React.createClass({ render: function() { return <div> <section> <form action="http://localhost:9203/ask"> Text: <input type="text" name="text" value="Text"/> <br/> Focus: <input type="text" name="focus" value="Focus"/> <br/><br/> <input type="submit" value="Submit"/> </form> </section> </div>; } }); React.render(<Hello name="World" />, document.getElementById('container'));...

Error: Cannot resolve module 'module' in path/…/rewire/lib

reactjs,flux
I am using rewire prior to require method in my React/Flux app, to load components. But after installation I got this error: ERROR in ./~/rewire/lib/rewire.js Module not found: Error: Cannot resolve module 'module' in /Users/path/node_modules/rewire/lib @ ./~/rewire/lib/rewire.js 1:13-30 ERROR in ./~/rewire/lib/rewire.js Module not found: Error: Cannot resolve module 'fs' in...

Reactjs - the spread operator giving error

javascript,reactjs,react-jsx
I am trying to use the spread operator in react.js but getting the error Unexpected token ... in Chrome. I am getting an error at the line 3 in this code: var Btn=React.createClass({ render: function(){ var { className, ...other }=this.props; return (<a {...other} className={joinClasses(className,"btn")} href="#" >{this.props.children}</a>); } }); and using...

Expected corresponding JSX closing tag for input Reactjs

javascript,reactjs,reactjs-flux,react-jsx
While creating a component in Reactjs with input fields error occurs Error: Parse Error: Line 47: Expected corresponding JSX closing tag for input at http://localhost/chat-react/src/script.js:47:20 </div> var Main = React.createClass({ render: function() { return ( <div className="card-action"> <i class="mdi-action-account-circle prefix"></i> <input id="icon_prefix" type="text" class="validate"> </div> ); } }); ...

ReactJS component not rendering textarea with state variable

javascript,textarea,reactjs
I am facing an intriguing bug in React. I have this component: 'use strict'; import SummaryStore from '../stores/SummaryStore'; import React from 'react'; export default class ChangeSummaryForm extends React.Component { constructor() { // store initialisation SummaryStore.register(); var vRating = SummaryStore.getBookForSummaryPrint().summaryRating; var vStarClassName = this.getRatingClasses(vRating); this.state = { sStarClassName: vStarClassName, sCurrentBookToShow: SummaryStore.getBookForSummaryPrint()...

Nesting in Default Route

javascript,reactjs,react-router
I have an applications index page that lists all my applications. The index page is also the default route. I want to nest a 'applications new' modal in the index page. This way I can render the modal while on top of the index page. However, I'm not able to...

Custom react dropdown component re-rendering on every user input

javascript,reactjs,reactjs-flux,react-jsx
I'm having a bit of trouble with controlling the amount of re rendering done by React. Say I've got this user input right here: handleFirstNameChange: function(e) { this.setState({ firstName: e.target.value, userTyping: true }); }, render: function(){ <RB.Input value={this.state.firstName} onChange={this.handleFirstNameChange} name="" type="text" label="First name" placeholder="First name.."/> } And this custom dropdown...

checking for first key in map with reactjs

javascript,reactjs
I've got the following component in ReactJS var MainMenu = React.createClass({ render: function() { console.log(this.props.groupsData); var categories = this.props.groupsData.objects.map(function(obj){ return (<li><a href="#">{obj.display_name}</a></li>); }); return (<div className="MainMenu"> <ul className="nav nav-pills">{categories}</ul> </div>); } }); Now, I wish to add className='active' to the <li> element if its the first in the map. How...

difference between componentDidMount and getInitialState in Reactjs

facebook,reactjs,flux
I understand that getInitialState is called once in the component's lifecycle and componentDidMount is called when the component is rendered. So does that mean both will get called just once in the component's lifecycle? What's the difference?...

Delayed rendering of React components

javascript,reactjs
I have a React component with a number of child components in it. I want to render the child components not at once but after some delay (uniform or different for each of the children). I was wondering - is there a way how to do this?...

React Component with subcomponents or render HTML in parent?

reactjs
I have a question regarding React patterns. When rendering a component, is it appropriate for this component to render several sub-components, or is it ok to render some HTML in the parent component. Example: If I have a box that has a heading and a body with list of elements,...

conversion of string to JSON object in javascript with eval() [duplicate]

javascript,reactjs
This question already has an answer here: Eval() = Unexpected token : error 7 answers I am converting the following JSON variable to string, and back to JSON, and getting error (in ReactJS, although it shouldn't be important) var questionGlobal = { "questionCons": [{ "string": "In", "alignment": 2 },...

How do I set state of sibling components easily in React?

reactjs,siblings
I have got the beginnings of a clickable list component that will serve to drive a select element. As you can see from the below, onClick of the ListItem, I'm passing the state of a child element (ListItem in this case) to the parents (SelectableList, and CustomSelect component). This is...

props is not initialized in react component

reactjs,flux
I have developed a Component. In it, I am loading the data based on an Id which is passed to it like; my Item Component code looks like ItemStore.CallItem("TenantId",this.props.MetaItemId); and my calling page code looks like <div className="box-body table-responsive no-padding list-relations" id="configureMM"> <Item MetaItemId={11} /> </div> <div className="box-body table-responsive no-padding...

Events not propagating across react components

javascript,reactjs
I have the following react components: class Button extends React.Component { constructor(props){ super(props); this.state = { disabled: false }; } render() { return <button disabled={this.state.disabled} onClick={this.clicked.bind(this)}>Save</button>; } clicked(event) { this.setState({disabled: true}); } } class Form extends React.Component { contructor(props) { super(props); this.state = { foo: "bar" }; } render() {...

list not ordering well dynamic children

reactjs
My problem is that react is not respecting the order I am giving by the backend. It gives me a warning. Child objects should have non-numeric keys so ordering is preserved I checked the documentation and I don't know where the error is. dynamic children I'm passing the key to...

Changing the state of a component that isn't directly handling the event in ReactJs

javascript,reactjs
To better understand my question, take a look at my component diagram: https://app.box.com/s/rkq9bhyzs00971x6xgpq8exmvu4zzjlt By looking at the image, you can see I essentially have a component structure of Browse Widget -Main Menu -Display -SubMenu -SubCategory -SearchBar -Video Display My Display Component houses all the components that pull from an API....

Adding multiple divs or renders in ReactJs

javascript,web-applications,reactjs,react-jsx
I'm having trouble in wanting to create multiples of the same html that I render in a certain class. For example, I have a div that might look like this [Header goes here, is a input field] [Dropdown] [TextArea] [Submit] [Add another field] On add another field, I would like...

React page layout using react-router

javascript,reactjs,react-router
I have a default layout page here using react router: Header = require('./components/Header'), Footer = require('./components/Footer'), var sampleApp= React.createClass({ getDefaultProps() { return { title: 'Page One' }; }, render: function (){ return ( <div className="app"> <Header title={this.props.title} /> <RouteHandler /> <Footer /> </div> ); }, }); var routes = (...

Should every object in the store state be immutable?

javascript,reactjs,immutability,flux,immutable.js
I am learning React.js and Flux, and I understand that is better to keep the object immutable because comparing them is O(1). My situation is this: I have a store, which has a _state object, that is a map (I'm using Immutable-js). That _state has some booleans, some strings and...

modifiy multiple react components on trigger

javascript,reactjs
I have input forms which I use on several places on my single-page website. There is a single react-component class named Subscribe which contains the whole <form> allowing the user to enter a email and subscribe to my newsletter. When the user submits subscribes in any <Subscribe>, I want to...

reactjs Uncaught TypeError: Cannot read property 'map' of undefined

javascript,jquery,ajax,reactjs
I have used getInitialState on my BrowseWidgetBox component. Although when passing the data to my MainMenu component, the data remains empty, as if the AJAX call to the api was never run in the BrowseWidgetBox. My question then, is why is this happening? Shouldn't componentDidMount call the ajax api and...

Cart not adding correct item in React.js

javascript,reactjs
I'm learning React.js (and I'm a beginner at JavaScript) and having some difficulty getting my addToCart function working properly. I've managed to get all my products to display but adding to cart on any of them only adds the first item, and once that item is out of stock then...

ReactJS localhost Ajax call: No 'Access-Control-Allow-Origin' header

javascript,ajax,node.js,localhost,reactjs
Working on the ReactJS tutorial I spinned up a local server with >npm install -g http-server >http-server -c-1 And got local server working fine located at http://localhost:8080 Though, when I attempted to use an AJAX call within one of my components, I got the following error in my chrome console:...

hooking up the data model in ReactJS - syntax

reactjs
I'm looking off of the reactjs tutorial on how to build a comment box with react. I get that we are mapping over data, but I cant understand this syntax and part of the code. Would be really helpful if you could explain exactly what is going on here. Specifically,...

Canvas element does not resize when using ReactJS and PaperJS together

javascript,html,canvas,reactjs,paperjs
I have found that canvas elements correctly resize on window resize when they are inside react components. They also resize correctly when used with PaperJS. However, they do not resize when used with PaperJS and ReactJS together. Is this an incompatibility between PaperJS and ReactJS or am I instantiating PaperJS...

Get font color of ReactJS element

css,reactjs
I have a React component, a button, and I need to set the background-color of a child element to the color of the button. I know that you're not supposed to call this.refs.myElement.getDOMNode() in the render() function, so I'm not sure how I'm supposed to lay this out. At the...

Input validation setTimeout in ReactJS

javascript,css,validation,reactjs,ecmascript-6
I have a component that renders with className="error" or classname="" depending on whether the input is valid or not. This way in CSS I can simply do .error { background: red; }. The validity of the input is determined by the isValidNumber(..) function. However, right now the problem I'm having...

Multiple React components in a single module

reactjs,gulp,browserify
I am new to the whole browserify thing. I have been trying to use browserify + reactify + gulp to transform, minify and combine a React application. As long as I have a single React.createClass with a single module.exports = MyComponent everything works fine. Since I have several shared components...

React animation / ReactCSSTransitionGroup

reactjs
How would you make the following link - a spinner - work with reactjs http://codepen.io/awesome/pen/znGwr I am using webpack: { test: /\.css$/, loader: "style-loader!css-loader" } I know the css is working from other settings. I have tried the following, using the same css file(copy paste into local css ). Updated:...

Passing an element vs. a react class to an optionally displayed modal

reactjs,react-bootstrap
I have a table cell that the user can click on which will launch a react-bootstrap modal that displays additional details. The modal displays a component that has its own state and may trigger an action to pull data from the back-end if the store doesn't have the data it...

ReactJS code with and without class definitions: which one is preferred?

javascript,reactjs
Structurally, how different are these two code? Aren't they (almost) equivalent? In what situations one is preferred over the other? var Hello = React.createClass({ render: function() { return ( <div>Hello World</div> ); } }); React.render(<Hello />, document.body); and class SampleApplication extends React.Component { render() { return ( <div>Hello World</div> );...

React select onChange is not working

javascript,reactjs
JsFiddle : https://jsfiddle.net/69z2wepo/9956/ I am returning a select element in the render function in my react.js code. But whenever I change the select value, the function in the onChange is not getting triggered. var Hello = React.createClass({ render: function() { return <select id="data-type" onChange={changeDataType()}> <option selected="selected" value="user" data-type="enum">User</option> <option value="HQ...

How to keep only one radio button selected with React

radio-button,reactjs
Im trying to learn React by doing a small application with it. My application has two radio buttons and I would like to keep always only one of them checked, but cannot seem to figure out how to uncheck the other button when I select the other one. Instead they...

How can I get simulated react events to update the values of the ref in my component?

javascript,unit-testing,testing,reactjs,reactjs-testutils
So I have a react component that looks something like this: class SignInForm extends React.Component { constructor(props) { super(props); } onFormSubmit(event) { const username = React.findDOMNode(this.refs.username).value; const password = React.findDOMNode(this.refs.username).value; // very basic validation if (username && password.length > 6) { this.props.flux.signIn({ username, password }); } event.preventDefault(); } render() {...

React self-modifying component with proper state/props

javascript,reactjs
I'm working on a pet project right now and I decided to use React for the view. I'm fairly far into developing it but I'm just starting to realize that I might not understand how to use React very well because it seems like in order to do simple things...

Better/faster way for changing React array state than cloning it?

reactjs
Whenever a React class has a state object that is or contains an array, updating that state feels awkward. Usually what I do is var newArrayThing = _.clone(this.state.arrayThing); //or slice() newArrayThing[123] = 42; //update stuff this.setState({arrayThing: newArrayThing}); Is there a better or more elegant way of handling this I am...

React Rails component: manually triggering a re-render

javascript,jquery,ruby-on-rails,reactjs,react-rails
In Rails, I've got a set of Bootstrap tabs on a page with a React component on each one, ie: <div id="tab-1" class="tab-pane"> ... <%= react_component('PeopleWidget', person_id: @person.id) %> ... </div> <div id="tab-2" class="tab-pane"> ... <%= react_component('ContentWidget', content_id: @content.id) %> ... </div> The components: Do not talk with each other...

react-router link to sub route

javascript,reactjs,react-router
How do I create a link for sub route like lang -> python ? My routes var routes = ( <Route name="app" path="/" handler={ App }> <Route name="info" handler={ Info } /> <Route name="home" handler={ Home } /> <Route name="lang" handler={ Lang } > <Route path="java" handler={Lang}/> <Route path="python" handler={Lang}/>...

React - superagent request per mapped item

javascript,reactjs,superagent
I would like to fire off a superagent request for each item mapped in my search results. To check if the item id is in an array: I have these methods; one to map the results, and the other a superagent fetch: renderResultNodes: function () { if(!this.props.results) return; return this.props.results.map(function...

react server side rendering with client side routing

javascript,reactjs,single-page-application,isomorphic-javascript
An initial server rendering for my homepage route ( / ) works fine. Also, subsequent client side navigation to ( /#/page2 ) works fine. However, if I load /#/page2 directly from the address bar, the server rendered homepage loads in the browser first and then visibly transitions to /#/page2, which...

Do I have to call super.componentDidUpdate in React?

reactjs,ecmascript-6
In a subclass of React.Component, do I have to call super.componentDidUpdate from my componentDidUpdate method? Or is it done automatically? (I am trying to call it but there is an error message Cannot read property call of undefined)...

React Flux dispatcher vs Node.js EventEmitter - scalable?

node.js,design-patterns,reactjs,flux,eventemitter
When you use Node's EventEmitter, you subscribe to a single event. Your callback is only executed when that specific event is fired up: eventBus.on('some-event', function(data){ // data is specific to 'some-event' }); In Flux, you register your store with the dispatcher, then your store gets called when every single event...

jsx command not found on mac terminal

node.js,npm,reactjs,jsx
Problem: I execute the following command from the macintosh terminal: $ jsx --watch src/ build/ I recieve the following output error from the terminal: -bash: jsx: command not found Relevant information: I am following the following tutorial: https://facebook.github.io/react/docs/getting-started.html I executed the following command from the tutorial with positive output: $...

TouchableHighlight won't accept press events while keyboard is open

javascript,reactjs,react-native
I have a component which contains a TextInput and a TouchableHighlight side by side. You tap on the textbox, type what you want, then tap the add button to save it. Now the problem is the keyboard open from typing, you need to dismiss it, otherwise the button won't respond....

JQuery .animate() not working with ReactJS?

jquery,reactjs
I am trying to highlight a cell when the user click on it by using jQuery .animate() clickHandler: function() { var cell = React.findDOMNode(this.refs.cell); // $(cell).css("background-color", "blue"); // THIS WORK $(cell).animate({ backgroundColor: "blue" }, 1000); // THIS DOESN'T WORK }, I am also using React.addons.CSSTransitionGroup. Maybe there is a conflict...

ReactJs tries to attach onclick handler before Ajax loads element

javascript,ajax,reactjs
I am creating a dynamic list for a menu in ReactJs. The data for each menu item is bing pulled in from a JSON file via AJAX. I want the menu to close when a menu item is clicked. I am giving the whole list the prop "whenClicked" when one...

Can I use Backbone with React Native?

javascript,ios,backbone.js,reactjs,react-native
I have found several different examples of integrating React (View) with Backbone on the web, but not any to do the same with React Native. I was wondering if this was possible and also if there were any samples to play with. This (https://github.com/magalhas/backbone-react-component) also seemed a good starting point,...

Running into problems using React Datepicker with rails

javascript,ruby-on-rails,datepicker,reactjs
I am using this datepicker plugin for react: https://github.com/Hacker0x01/react-datepicker I keep getting the following error: Uncaught TypeError: this.props.moment is not a function in react-datepicker.min.js. I just copied the example code, and I can see the input field, but whenever I click on it to render the calendar, it keeps giving...

How to append to dom in React?

javascript,reactjs
Here's a js fiddle showing the question in action. In the render function of a component, I render a div with a class .blah. In the componentDidMount function of the same component, I was expecting to be able to select the class .blah and append to it like this (since...

How do I load SVGs directly in my React component using webpack?

svg,icons,reactjs,loader,webpack
I would like to render a material design icon directly in my NextButton component using webpack. Here's the relevant part of my code: var NextIcon = require('material-design-icons/navigation/svg/production/ic_chevron_right_18px.svg'); var NextButton = React.createClass({ render: function() { return ( <Link to={this.props.target} className='button--next'> {this.props.label} {NextIcon} </Link> ) } }); But this isn't working as...

ReactJs w/ ECMAScript 6

reactjs
I have the follow component (radioOther.jsx): 'use strict'; //module.exports = <-- omitted in update class RadioOther extends React.Component { // omitted in update // getInitialState() { // propTypes: { // name: React.PropTypes.string.isRequired // } // return { // otherChecked: false // } // } componentDidUpdate(prevProps, prevState) { var otherRadBtn =...

Ajax success issue with React and Rails

ruby-on-rails,ajax,reactjs
I've got a form that I am trying to handle with React. This is the ajax method in the handleSubmit function: $.ajax({ data: formData, dataType: "json", url: '/requests', type: "POST", success: function(data, status, xhr) { console.log('SHOW HERE ON RESPONSE'); this.setState({ formSubmitted: true }); } }); When I click on submit,...

No call function of parent in Reactjs

javascript,jquery,ruby-on-rails,reactjs
I have two function in Reactjs. When function one call a function of function two. There have error same as "Uncaught TypeError: this.props.onButonShowClick is not a function" This is function one : var HiddenEdit = React.createClass({ _handleOnClick: function(e) { e.preventDefault(), this.props.onButonShowClick(true); }, render: function() { return (<span className="col-lg-2 btn-action-group"> <a...

react-native this.setState not working

reactjs,react-native
I know there's already a similar question but there's no code shared in there. Under navbarChanged() > if condition, I'm doing a this.setState. This is of type HomeTab but setState doesn't seem to be working. Any clues/pointers? class HomeTab extends React.Component { constructor() { super() this.setState({ isNavBarHidden: false }); }...

Rx.js React extension testing stream and intermediate results

unit-testing,reactjs,rxjs
I have a module which stores data in this.store and takes keyboard events in this.stream The relationship between this.store and this.stream is as follows this.stream.subscribe(function(keyCode){ this.store.add(100) }); Now I am writing test cases against those events. I want to know when I click the keyboard 3 times respectively what will...

JS - How to update DOM in realtime across multiple instances of the same web app?

javascript,jquery,reactjs,ractivejs,real-time-updates
I am building a massive real-time collaboration web application. It is a Web IDE that has support for HTML, CSS & JS programming and a stage area that would reflect the results a la JSFiddle, Plunker etc. Now, the twist is that, it would support multi-user real-time collaboration, where people...

Dynamic className in cjsx

coffeescript,reactjs
I am trying to hide a component and update the image in a button when I click said button. I have managed to hide the component by doing the follow: {<MyAwesomeComponent /> unless @state.hide} And I change the state by doing: toggleComponent = -> @setState hide: [email protected] . . ....

React/reflux how to do proper async calls

javascript,asynchronous,reactjs,jsx,refluxjs
I recently started to learn ReactJS, but I'm getting confused for async calls. Lets say I have a Login page with user/pass fields and login button. Component looks like: var Login = React.createClass({ getInitialState: function() { return { isLoggedIn: AuthStore.isLoggedIn() }; }, onLoginChange: function(loginState) { this.setState({ isLoggedIn: loginState }); },...

Should I pass all the state in every change from store to component?

javascript,performance,reactjs,reactjs-flux,flux
I am new on React and Flux and I am making an app that will have an input (like the name or the title), and below a list of n things. How should I handle the event listeners? I saw in the TODO example of flux (https://github.com/facebook/flux/blob/master/examples/flux-todomvc/) that they use...

Why should addChangeListener be in componentDidMount instead of componentWillMount?

javascript,reactjs,reactjs-flux,flux
I saw this line as an answer to another question on here: "componentWillMount should be componentDidMount, or else you'll leak event emitters in node." and I don't really understand it. Can someone explain with more detail? More info: Building a react application with flux, as part of the initial render,...

Reactjs this.state giving Uncaught TypeError: Cannot read property 'groupsData' of null

javascript,ajax,reactjs
I am doing 2 basic ajax calls to 2 different apis in one of my ReactJs components. Although, when running the call (on urls I know for certain are working and returning data), I receive: Uncaught TypeError: Cannot read property 'groupsData' of null Here is the single component: var BrowseWidgetBox...

ReactJS - Custom Dropdown

reactjs
I have a drop down that has a nested ul in ECMAScript 6. Relevant code for dropdown: ...... handleItemClicked(item){ alert(item) } render(){ return( .... <UnorderedList whenItemClicked={this.handleItemClicked} /> .... ) } Relevant code for unordered list: return( <ul> .... {this.props.dropItems.map(function(item){ return (<li onClick={this.props.whenItemClicked(item)} key={item}><a>{item}</a></li>) }, this)} </ul> ) Result: There are...

ReactJS passing a prop that the element owns to a function

javascript,reactjs
I am trying to return a <li> element with an eventListener. But I want the <li> to pass a property it owns to a function onClick. This is specifically what I am talking about: return (<li onClick={this.changeTab(tab_id)} tab_id={index + 1} <a href="#">{obj.display_name}</a></li>); But if you do something like this, you...

Why is my setState is not working? [duplicate]

javascript,reactjs
This question already has an answer here: Using a variable for a key in a JavaScript object literal 3 answers I have a react component that I have created. In this component, I call a function that updates the state generically: updateCheckbox: function(name, value) { this.setState({name: value}); }, I...

Why calling react setState method doesn't mutate the state immediately?

javascript,reactjs,react-jsx
I'm reading Forms section of reactjs documentation and just tried this code to demonstrate onChange usage (JSBIN). var React= require('react'); var ControlledForm= React.createClass({ getInitialState: function() { return { value: "initial value" }; }, handleChange: function(event) { console.log(this.state.value); this.setState({value: event.target.value}); console.log(this.state.value); }, render: function() { return ( <input type="text" value={this.state.value} onChange={this.handleChange}/>...

react.js dynamically grabbing object resulting in undefined

javascript,reactjs
I am learning react.js. I have an object literal and I am trying to dynamically select an object within an object based upon what was chosen from a select input. I am getting undefined, however. I have tried both dot and bracket notation. I am successfully grabbing the value of...

React issue with updating state during re-render

javascript,reactjs
I have 2 components, a StaticComponent and an InteractiveComponent. The StaticComponent shows the user's information. It has a link to edit the information. That link has an onClick that fires off the handleEditClick function. This replaces the StaticComponent with an InteractiveComponent which has a form. var StaticComponent = React.createClass({ handleEditClick:...

React - saving a component in the ref callback

reactjs
So, extract from https://facebook.github.io/react/docs/more-about-refs.html#the-ref-callback-attribute The ref attribute can be a callback function instead of a name. This callback will be executed immediately after the component is mounted. The referenced component will be passed in as a parameter, and the callback function may use the component immediately, or save the reference...

ReactJS Updating Array

javascript,reactjs
I'm currently starting to learn ReactJS and have run into some trouble updating an array. Currently I have a searchable list of contacts which is working fine. But using the input box below the list I am trying to add additional items to the list using the update() function. Sample...

defaultValue change does not re-render input

reactjs
I have no idea why this is not working Demo I have the following es6 code const {createFactory, createClass, DOM: { label, input, button }} = React; const tester = createFactory(createClass({ render() { return label({} ,`Name: ${this.props.name}` ,input({defaultValue: this.props.name}) ,button({onClick: this.changeName}, "Change") ) }, changeName() { this.setProps({name: "Wilma"}) } })...

ReactJS: How to optimise top-down render flow

javascript,reactjs,scalability,reactjs-flux
Looking at Facebook's Flux TodoMVC example (https://github.com/facebook/flux/tree/master/examples/flux-todomvc/) makes me wonder how this approach scales. In the example the store is updated onBlur/Enter keypress of a new entry, but what if we wanted to update an existing entry on keypress? i.e. you type something in an input and this is persisted...

TypeError: this.props.data.map is not a function, but data is a list

javascript,reactjs
I have written code from the ReactJs site here while working through their comment box tutorial. Yet for some reason it is giving me an error about map: Uncaught TypeError: this.props.data.map is not a function Specifically it is complaining about line 7: var commentNodes = this.props.data.map(function (comment){ .. etc.. }...

After scrolling on IPad, some content of my website is hidden behind a white area

javascript,html,ios,css,reactjs
Introduction We're developing a website and on one page we'd like to display some simple charts. Therefore we're using canvas to draw the charts. I konw there are other great libraries therefore, but right know we just need a quick and dirty solution for a first shot. Generally we work...

React js css transitions on class removal

twitter-bootstrap,reactjs,css-transitions
I have column that should have different width depending on some flag. I use Bootstrap, so I assign col-xs-12 and col-xs-2 depending on the flag. Now I want it to change width slowly with css transition. I've read official React.js doc about transitions, but it doesn't apply to my case:...

Hide context menu on outside click

javascript,reactjs
I have a context menu that appears when you right click inside the <div>, and it only goes away if the user click left click inside the <div> again. How do i hide it when a user click anywhere on the page? my fiddle...

Warning: Unknown DOM property class. Did you mean className?

javascript,reactjs,jsx
I've just started exploring React with a scaffolded Fluxible project. I've changed my Application component to contain following render function: render() { return <div class="myApp"></div> } When I run the app in dev mode (npm run dev), I get the following error: Warning: Unknown DOM property class. Did you mean...

React.js - Setting initial state and defining props which utilize that state within a component

reactjs
I have read: ReactJs: How to pass the initial state while rendering a component? ReactJS: Why is passing the component initial state a prop an anti-pattern? Am still having trouble resolving this issue. Namely - rendering an array of child component declarations with props that rely on the initial state...

Trying to understand how an isomorphic react app is supposed to do client-side routing

reactjs,client-side,isomorphic-javascript
Pardon my English, it is a second language. The whole point of an isomorphic app, as opposed to a regular client-side SPA is so the client doesn't have to download the whole JS file initially which results in really slow initial load time. I've been trying to teach myself server-side...

Encapsulation with React child components

coding-style,reactjs,encapsulation
How should one access state (just state, not the React State) of child components in React? I've built a small React UI. In it, at one point, I have a Component displaying a list of selected options and a button to allow them to be edited. Clicking the button opens...

What is the proper way to get the value of a React