Designing web page to respond to user interaction with form elements.
Importing and exporting data from databases and providing friendly interface to data.
Processing the data on the client side before submitting it to the server.
Note the use of HTMl comment tags, <! – – and – ->.If the page containing the script is used in a browser that is not compatible with scripting languages. The script statements are not executed.
Using SRC attribute within
We can also use absolute URL path such as: