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I have private variables in constructor and public variables in the class. I refer to this variable… Read more How To Access This Variable Inside This Function

I'm in the process of updating a React component to ES6 and suffered the problem described in t… Read more React.js And Es6: Any Reason Not To Bind A Function In The Constructor

I have a this value inside an if statement, nested inside a my handleFormChange function. I've … Read more Value Of This Is Undefined

I am trying to understand the this keyword on Javascript. I was doing some tests on chrome console … Read more Javascript This Keyword - Inside Function

I often see this in code: var me = this;. Why is that? Is there some performance gain if I referenc… Read more Should I Reference 'this' In Local Variable?

I have a constructor function which registers an event handler: However, I'm not able to acces… Read more How To Access The Correct `this` Inside A Callback

I have a React Component such as : function callback(params){.. // I need to use this.setstate but … Read more How To Bind 'this' To Functions Outside React Class Which Is A Callback From Other Component?

Is there any way to access a function which is inside a function, which is inside an other function… Read more How To Access Javascript Function Which Is In Function Which Is In Function

How can I pass this to a function assigned to my window.onscroll event? I am trying to trigger myFu… Read more Passing This To Window.onscroll Function

I have two Javascript 'objects' similar to so.... var Object2 = new (function() { this.… Read more Having The Correct Value Of 'this' In Js

I'm working on a script that fades in and out both an image and a div I have set behind the ima… Read more Can I Add More After "this" In Jquery?

From the node REPL: $ node > var x = 50 > console.log(x) 50 > console.log(this.x) 50 > … Read more What Is The Context For `this` In Node.js When Run As A Script?

I am writing a jQuery plugin. But it doesn't seem to work when I use arrow function to extend j… Read more Use Arrow Functions In Jquery Plugin

I know that ES6 solved a lot of problems that existed with the this keyword in ES5, such as arrow f… Read more Why Is "this" In An Es6 Class Not Implicit?

For obvious reasons, in JavaScript, the following two calls are different: foo.bar(); var bar = fo… Read more How Does Javascript Determine When To Give A Function Call A "this" Context?

In this post, lots of answers are there discussing the this keyword in JavaScript. However, I am st… Read more Understanding "this" Within Anonymous Function In Javascript

Can you pass in a $this variable to use in a function in the 'global' space like you can in… Read more Php Pass In $this To Function Outside Class

Update For clarity: @FelixKing: Yes, I expected this to still be undefined when calling window.foo(… Read more Inconsistent Behaviour Of "this" In Javascript Strict Mode

I have a typescript app that it is mixing 'this' context inside a class. This class is resp… Read more Typescript Javascript Class, Two Instances This Get Mixed When Returning Promise

I am trying to capture onChange event of the input and calling setState with the new value, but as … Read more React.js - "this" Undefined Even After Binding