Client-side scripting
As a client-side scripting languages ( client-side script languages) is generally referred to such scripting languages used to create web-based computer programs (also others), which are performed at the page of the web browser. Delineate them are server-side scripting languages with which to write scripts that run on the web server ( and interpreted) (eg, Perl, PHP, etc.). Client-side scripting languages are an essential part of Dynamic HTML (DHTML ).