The question is directed at people who have thought about code style in the context of the upcoming ECMAScript 6 (Harmony) and who have already worked with the language. With () => {} and function () {} we are getting two very similar ways to w...I have been reading a bunch of react code and I see stuff like this that I don't understand: handleChange = field => e => { e.preventDefault(); /// Do something here }...Using ES6 arrow functions with lexical this binding is great. However, I ran into an issue a moment ago using it with a typical jQuery click binding: class Game { foo() { self = this; this._pads.on('click', function() { if...I've read in several places that the key difference is that "this is lexically bound in arrow functions." That's all well and good, but I don't actually know what that means. I know it means it's unique within the confines...
I came across this construct in an Angular example and I wonder why this is chosen: _ => console.log('Not using any parameters'); I understand that the variable _ means don't care/not used but since it is the only variable is ther...When ES6 Arrow functions don't seem to work for assigning a function to an object with prototype.object. Consider the following examples: function Animal(name, type){ this.name = name; this.type = type; this.toString = () => `${this.na...This question already has answers here:...
I am using ReactJS with Babel and Webpack and using ES6 as well as the proposed class fields for arrow functions. I understand that arrow functions make things more efficient by not recreating the functions each render similar to how binding in the...
I know that 'this' in JavaScript has a different meaning than in in TypeScript, as per this article 'this' in TypeScript. I have the following code in JavaScript used to create a thicker stroke on the selected node, and give all oth...
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