javascript

Anirban Poddar November 16, 2024 No Comments

How to get next and previous sibling elements and inner text?

To get next and previous sibling and its inner text we can use nextElementSibling and previousElementSibling property in Javascript, nextElementSibling returns the next element (not text and comment…

Sourav Paul November 16, 2024 No Comments

Double not `!!` operator in JavaScript?

The ! in JavaScript, also called bang, is the logical not operator. If you place this operator in front of a boolean value, it will…

Anirban Poddar November 9, 2024 No Comments

How to create a sticky header while body scroll?

To create a sticky header you can add a sticky-top class while body scroll in javaScript. In bootstrap theme “sticky-top” class is used for a…

Anirban Poddar November 2, 2024 No Comments

How to get the closest element by selector in js?

To get the closest element by a selector, you can use the element.closest(). See the following example: const closestElement = targetElement.closest(selector); <ul id="parentElement" class="level-1"> <li id="ii"…

Sandeep Mandal November 2, 2024 No Comments

How to measure time taken by your code to execute in JavaScript?

We can measure the execution of a code block by using console.time() method. Syntax: console.time( "label" ); function_to_call( ); console.timeEnd( "label" ); Example: function measureExecutionTime(…

Sandeep Mandal October 26, 2024 No Comments

How to do caching in Node.js and why it is important?

Caching in Node.js can significantly improve our app’s performance, reducing the load on our server and database by storing frequently accessed data in memory or…

Anirban Poddar October 19, 2024 No Comments

How to get child of a parent elements and it’s total width in Javascripts ?

You can get multiple child of a parent element by using JavaScript Array forEach() or you can use for loops. Also we can sum of…

Sandeep Mandal October 19, 2024 No Comments

What is useNavigate hook and how to use it in ReactJS?

The useNavigate hook is a powerful and Intuitive way of navigate between pages in React application. It returns a function that lets us navigate programmatically.…

Sandeep Mandal October 5, 2024 No Comments

How to setup a basic express server?

Step 1: Write npm init command in your terminal. Step 2: Install Express.js by running the following command in your terminal. npm i express Step…

Snigdha Paul September 28, 2024 1 Comment

How to assign names to capture groups in regex?

The syntax to assign a name to a capture group is (?<captureGroupName>patternToMatch).Let’s see an example : // Javascript code var str = "My birth date…

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