var mainFunction = function() { altFunction.apply(null, arguments); } The arguments that are passed to mainFunction are dynamic -- they can be 4 or 10, doesn't matter. However, I have …

Mar 5, 2016 · There are two major ways to add methods to a class, this can be within the scope of the class when writing the code or using ".prototype" to attach a method to your class. Below …

Jun 20, 2012 · For the first argument you will need to pass the classList reference from the same DOM node and as a second argument the array of classes that you want to add: …

Apr 2, 2025 · Classes are a template for creating objects. They encapsulate data with code to work on that data. Classes in JS are built on prototypes but also have some syntax and …

Class Methods. Class methods are created with the same syntax as object methods. Use the keyword class to create a class. Always add a constructor() method. Then add any number of …

Classes create objects through the new operator. Each object has some properties (data or method) added by the class. The class stores some properties (data or method) itself, which …

Feb 11, 2021 · Building on the article entitled Cool JavaScript 9: Named arguments — Functions that get and return Objects, this article shows how JavaScript class constructors can use …

Learn how to add a class name to an element with JavaScript. Click the button to add a class to me! Add a class name to the div element with id="myDIV" (in this example we use a button to …

Mar 1, 2021 · You need to pass the arguments, but you can avoid to assign all of them by passing them to super(): constructor(name, age, sport) { super(name, age); // pass arguments to …

JavaScript functions have a built-in object called the arguments object. The argument object contains an array of the arguments used when the function was called (invoked). This way you …