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JavaScript Global Var Hoisting Issue

javascript,hoisting
Here is my basic issue... <script> var window.my_Global = false; </script> <script> if(my_Global){...} //my_Global here is undefined, not false?? </script> I know there must be a simple solution but I'm pretty stuck......

JavaScript Variable hoisting without functions

javascript,variables,hoisting
JavaScript documentation sates: Another unusual thing about variables in JavaScript is that you can refer to a variable declared later, without getting an exception. This concept is known as hoisting; variables in JavaScript are in a sense "hoisted" or lifted to the top of the function or statement. However, variables...

Javascript scope/hoisting OR promises/deferreds?

javascript,jquery,ajax,jquery-deferred,hoisting
I am trying to make an external AJAX call to an API within a Jquery each loop. Here is the code I have so far. getStylesInfo(tmpMake, tmpModel, tmpModelYear, tmpSubmodel).done(function(data){ var holder = []; $.each(styles, function(index, value) { var tempValue = value; var temp = getNavigationInfo(value.id); $.when(temp).done(function(){ if(arguments[0].equipmentCount == 1){ holder.push(tempValue);...

Why a variable defined global is undefined? [duplicate]

javascript,global-variables,local-variables,hoisting
This question already has an answer here: 'Hoisted' JavaScript Variables 4 answers Hi guys here I have a simple function and a global variable. My question is why myname = "glabol" is undefined and not the string "global" var myname = "global"; // global variable function func() { alert(myname);...

'use strict' not stopping hoisting in function scope

javascript,using,strict,hoisting
My Problem Lies here I'm learning JavaScript But not new to Programming at all. I understand hoisting, but with strict mode shouldn't this produce an error and be caught either when 6 is assigned to undeclared a variable or document.getElement... is assigned x this doesn't produce an error so my...

const variable not hoisted for immediately invoked function

javascript,scope,const,ecmascript-6,hoisting
I was playing around new ECMASCRIPT-6 const key word. I did not understand one particular behaviour of the keyword. Lets say I have two functions First case (function(){ console.log(_t); const _t=10; })(); and Second case function t(){ console.log(_y); const _y=11; } t(); For the first case the output is (didn't...

Are variable bound / 1st class functions preferable over private method naming? How is hoisting affected?

javascript,angularjs,function,coding-style,hoisting
A few questions regarding structuring Angular code and the behavior of JavaScript when using variable bound vs private method naming function conventions. Is there a performance or stylistic reason for using variable bound functions / first class functions in AngularJS over private method naming? How is hoisting affected in each...

Nested function definitions and hoisting

javascript,hoisting
Can someone could explain to me what is happening in following three examples? My thoughts are for the first example, bar is not executed (just function declaration) so when foo is executed output is undefined? for the second example, bar is executed so that value 3 is returned for the...