ECMAScript 2023, the 14th edition of the language, has some great changes that will make your programming life easier. const inventory =...

Grouping objects by key-value const users = [ { name: 'Ram', etype: 'Employee }, { name: 'Shyam', etype: 'Con...

As of 2023, the support for web components, alternatively referred to as custom elements, across browsers is exceptionally robust. Now is an...

 # A Complete Guide to Regular Expressions Regular expressions, often referred to as regex or regexp, provide a powerful and flexible way to...

Developers often find themselves needing to validate HTML table columns values, occasionally getting stuck in loops. Here's a straightf...

Sharing some valuable APIs that have been instrumental in my projects on this blog for your reference. (1) LocalStorage API It lets you...

Here is a quick JavaScript snippet to extract all URLs from a webpage, using Developer Tools. No Browser Extension is required! const r...

     <script> $(".chkbox-menu").on("change", "input[type='checkbox']", function() { ...

let myarray = [1,2,3,4,5] // Add to the start of an array Array.unshift(element); myarray.unshift(100); // output 100,1,2,3,4,5 // Add to th...

People struggle a lot when it needs to get a week from a date, here below is a simple example to get the week number of the month from a Dat...

1. Check property exists in an object const emp = { empno : 1, name : 'rakesh', salary : 50000 }; const keySalaryExist...

  JavaScript let checkList = document.getElementById('ddList1'); checkList.getElementsByClassName('anchor')[0].onclic...

Selecting Elements Selection of the elements using document document.documentElement document.head document.body Query select...

Code that will export html table to excel //<input type="button" onclick="tableToExcel('testTable', 'W3C E...

 1) Convert to String To quickly convert a number to a string, we can use the concatenation operator (+) plus followed by an empty set of qu...

window.location object has a bunch of utility methods and properties. We can get information about the protocol, host, port, domain, etc fro...

 1) Empty an array var arr = [10 , 20 , 30 ]; arr.length = 0; // arr will be equal to []. 2) Truncate an array using length Like the previou...

<!-- https://github.com/linways/table-to-excel --> <script src="https://cdn.jsdelivr.net/gh/linways/table-to-excel@v1.0.4/dist...

Many times I have face this issue, and hope you too.. this is simple 3 line of code will help and fix this problem. let days =7 ; // we are ...

 In modern browsers you can use findIndex: var students = [ {id: 100 }, {id: 200}, {id: 300}, {id: 400}, {id: 500} ]; var index ...