In this post, I am going to show you an easy and effective way to hide cursor in JavaScript as well as in CSS. This lesson will help you to understand the following things: How to hide cursor from the whole webpage. Hide cursor for a particular element. CSS Cursor property to set the cursor …
Sometimes we need to detect the arrow key presses in our JavaScript web apps. In this article, we’ll look at how to detect arrow key presses in JavaScript. Detecting arrow key presses in JavaScript function checkKey(e) { var event = window.event ? window.event : e; console.log(event.keyCode) }
I am building an application in node.js that uses JSON files as project configs. I am using the ‘fs’ module to read the JSON file, which I then parse into a Javascript object. I then amend details within the object before using JSON.stringify to write the data back to the file. How to completely remove …
Remove all the empty nodes from a JSON file using JavaScript Read More »
Here we will learn how to Validate Aadhaar Card Number in Javascript. To validate Aadhaar Card Number using javascript we will use Regular Expression and we will see how to use regular expression for it. We Know that Aadhaar Card has 12-digits Numbers. Javascript code to match pattern and display result: aadhar card validation <script> …