What is the difference between closure and nested functions in JavaScript?
JavaScript Closures In JavaScript, all functions work like closures. A closure is a function, which uses the scope in which it was declared when invoked. It is…
super() function in JavaScript?
The concept of super keyword comes with the idea of inheritance in JavaScript. Suppose that you have a member variable or method of the same name in the derived class as…
What is the lifetime of JavaScript variables?
The lifetime of a JavaScript variable begins when it is declared − A local variable will be visible only within a function where it is defined. Function…
What are JavaScript DOM Events?
You can run JavaScript when an event occurs, such as the user clicking the mouse, loading an image, clicking on an HTML element, submitting an HTML form,…
How to use window.location to redirect to a different URL with JavaScript?
You might have encountered a situation where you clicked a URL to reach a page X but internally you were directed to another page Y. It happens…
What is for loop statement in JavaScript?
The ‘for’ loop is the most compact form of looping. It includes the following three important parts − You can put all the three parts in a single line…
How to break a loop in JavaScript?
The break statement is used to break a loop and continue executing the code, which is after the loop. Example You can try to run the following…
What is ‘new’ Operator in JavaScript?
The new keyword in JavaScript is the new operator. It creates an instance of a user-defined object type. Syntax Here’s the syntax − In the following example,…
How to use href attribute in HTML Page?
The href attribute specifies the URL of the page the link goes to (href attribute specifies the link’s destination). We should use href attribute with <a> tag so it will…
What is Modulus Operator (%) in JavaScript?
In some languages, the modulus operator is also known as the remainder operator. The remainder operator and the modulus operator both are used to get the remainder of an…