javascript in html

JAVA SCRIPT

 It is most popular programming language in the world. It is interpreated language with object oriented capability that allow you interactivity into html pages.Java script statment are the command to tell the browser but action is performed.

SYNTAX:- document.getElementById('demo').innerHTML='welcome';

INPUT:-Saved as  .html extension.

OUTPUT:-

               after click in button"click to see date and time" then outpur shows  like: