Block Number in text field using JavaScript

In this article, I will demonstrate how to allow user to input block numeric characters in a TextBox field by using Javascript. The program prevents user from copying and pasting numerical characters into the TextBox.


AngularJS is a very powerful JavaScript library. It is used in Single Page Application (SPA) projects. It extends HTML DOM with additional attributes and makes it more responsive to user actions. AngularJS is open source, completely free, and used by thousands of developers around the world. It is licensed under the Apache license version 2.0.

Countdown timer with buzzing sound

This tutorial will help you, how to create Countdown Timer using Javascript and HTML and play sound after times up.My primary caution for you is to understand JavaScript handled on the client side and has a dependency on the user’s computer speed. However, countdown timers are still effective for encourgaging your users to quickly perform a particular task.