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,…

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…

How to delay a JavaScript function call using JavaScript?

we are going to learn how can we delay a function in JavaScript. Whenever we want to call a function after a specified amount of time than…

What is a ternary operator (?:) in JavaScript?

The conditional operator or ternary operator first evaluates an expression for a true or false value and then executes one of the two given statements depending upon…

What is the difference between i++ and ++i in JavaScript?

++i returns the value of an after it has been incremented. It is a pre-increment operator since ++ comes before the operand. i++ returns the value of…