JavaScript-Questions

1.9k+ posts

Last Updated: 23 February 2024

JSON stands for JavaScript Object Notation. It means that a script (executable) file which is made of text in a programming language, is use...read more

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JavaScript-Questions

What is currying function in JavaScript ?

Last Updated: 22 May 2023

It is a technique in functional programming, that transforms the function of multiple arguments into several functions of a single argument ...read more

How to check if a Variable Is Not Null in JavaScript ?

Last Updated: 29 November 2023

In this article, we are going to learn how can we check if a Variable Is Not Null in JavaScript.These are the following ways to solve this p ...read more

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Event bubbling in JavaScript

Last Updated: 18 January 2023

Event bubbling is a method of event propagation in the HTML DOM API when an event is in an element inside another element, and both elements...read more

Web Technologies

JavaScript

JavaScript-Questions

How to change the text and image by just clicking a button in JavaScript ?

Last Updated: 09 January 2024

The image and text can be changed by using JavaScript functions and then calling the functions by clicking a button. We will do that into 3...read more

How to implement a filter() for Objects in JavaScript ?

Last Updated: 13 December 2023

In this article, we will learn how to implement a filter() for Objects in JavaScript. In JavaScript, the filter() method is a built-in funct ...read more

How to add active class on click event in custom list group in Bootstrap 4 ?

Last Updated: 03 August 2021

In Bootstrap 4, Javascript or jQuery events are used to add active class on click event in custom list group.Syntax:$(document).ready(functi...read more

How to redirect to a relative URL in JavaScript?

Last Updated: 30 January 2024

To redirect to a relative URL in JavaScript, you could use window.location.href. It is a property in JavaScript that represents the complete...read more

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JavaScript-Questions

How to make browser to go back to previous page using JavaScript ?

Last Updated: 22 December 2023

There are two popular ways to make browsers go back to the previous page by clicking the JavaScript event.These are the following two ways: ...read more

How to add a delay in a JavaScript loop?

Last Updated: 27 September 2019

JavaScript doesn't offer any wait command to add a delay to the loops but we can do so using setTimeout method. This method executes a funct...read more

How to convert string to camel case in JavaScript ?

Last Updated: 18 March 2024

We will be given a string and we have to convert it into the camel case. In this case, the first character of the string is converted into l ...read more

How to remove the table row in a table using JavaScript ?

Last Updated: 20 December 2023

In this article, we will see how to remove the table row from a table using JavaScript. This can be done in two ways:Table of ContentJavaScr...read more

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JavaScript

JavaScript-Questions

JavaScript Change the Text of a Span Element

Last Updated: 07 December 2023

In this article, we have given an HTML document, and the task is to change the text of the span element. There are two properties used to ch...read more

Get the first and last item in an array using JavaScript

Last Updated: 01 February 2024

JavaScript arrayis used to store multiple elements in a single variable. It is often used when we want to store a list of elements and acces ...read more

How To Create A Countdown Timer Using JavaScript

Last Updated: 07 July 2023

A countdown timer is an accurate timer that can be used for a website or blog to display the countdown to any special event, such as a birth...read more

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