Sep 30, 2012 · We can modify a DOM element and add to its prototype. For example, if we want to add something only to the canvas, we'd do something like this: …

A JavaScript function is defined with the function keyword, followed by a name, followed by parentheses (). Function names can contain letters, digits, underscores, and dollar signs …

Nov 2, 2009 · You can do this because JavaScript functions are first-class objects. Edit: If your function receives arguments, you should use apply to pass them to the original function : …

Feb 2, 2019 · add: function(a,b){return a + b}, mul: function(a,b){return a * b}, Or if you insist on using an IIFE (because you're doing more things in that scope than you've shown), then you'd …

The add() method inserts a new element in the set. Required. The value to add. A set object with the added value. set.add() is an ECMAScript6 (ES6) feature. ES6 (JavaScript 2015) is …

Mar 22, 2025 · A function in JavaScript is similar to a procedure—a set of statements that performs a task or calculates a value, but for a procedure to qualify as a function, it should …

Nov 3, 2018 · We can add functions to objects, as properties, and when that is done they are referred to as methods. // We will create an object called someObject and a property of that …

6 days ago · Functions in JavaScript are reusable blocks of code designed to perform specific tasks. They allow you to organize, reuse, and modularize code. It can take inputs, perform …

Jul 15, 2024 · In JavaScript, every function is actually a Function object. Creates a new Function object. Calling the constructor directly can create functions dynamically but suffers from …

JavaScript provides many built-in functions such as parseInt() and parseFloat(). In this tutorial, you will learn how to develop custom functions. To declare a function, you use the function …