the SCRIPT tag is used to describe scripts, it may contain a link to the program or its text in a specific language. Scripts can be located in an external file and linked to any HTML document. This approach allows you to use the same General functions on many web pages and speeds up their loading, because the external file is cached on the first load, and the script is called faster on subsequent calls.script can be located in the header or body of an HTML document in unlimited numbers. In most cases, the location of the script does not affect the operation of the program. However, the scripts that should be executed first are, usually placed in the title of the document.