Feb 26, 2015 · You need to specify Symbol.iterator property for SomeClass which returns iterator for class instances. Iterator must have next() method, witch in turn returns object with done …

Nov 28, 2016 · What does adding a class to a DOM element have to do with learning the language? document.getElementById ('div1').className is as much a library related issue as …

I got this example from the * JavaScript Patterns Build Better Applications with Coding and Design Patterns book (by Stoyan Stefanov). In case you need some simple implementation class like …

Let's assume you do not use a library such as jQuery. If you do not already have a reference to the DOM element, get one using var elem = document.getElementById('id'); Then you can set …

Jan 27, 2020 · In JavaScript, global functions can only be defined in the global context. If you want to define a class-related function, you should either define it as a class method or as an …

Oct 12, 2013 · If you create your objects in a different way (using class, extend ing 'Function' type), you can have a callable instance of it. See also: How to extend Function with ES6 classes?

Sep 11, 2008 · Note for modern readers, this question was asked (and answered) before modern versions of Javascript, (known as ECMAScript (or ES)) was in use. If you're just learning …

Mar 4, 2014 · Wrapping a class inside a function seems to defeat the whole purpose of using classes in the first place. If you already use the function to create an instance, you might as …

Feb 28, 2009 · JavaScript Classes and Inheritance (ES6) According to ES6, you can use JavaScript classes and inheritance to accomplish what you need. JavaScript classes, …

Given an object obj, I would like to define a read-only property 'prop' and set its value to val. Is this the proper way to do that? Object.defineProperty( obj, 'prop', { get: function () { ...