Or we can say that client-side programming mostly deals with the user interface with which the user interacts in the web. If you are going to define a functionality which will be used in various HTML documents then it's better to keep that functionality in a separate JavaScript file and then include that file in your HTML documents. A scripting language, also referred to as an extension language, is a type programming language that executes various software applications. Scripting language (also known as scripting, or script) is plainly defined as a series of commands that are able to be executed without the need for compiling. It is a popular language, and thus, there are many compilers and libraries ; Other programming languages like C, C#, and Java have very similar syntax to C++, make it easy to learn for everyone who knows C++. While all scripting languages are programming languages, not all programming languages are scripting languages. ')};" src="foo.jpg"> calls the JavaScript prompt() function to ask the user how wide the image should be.[2]. Start learning HTML now » A scripting or script language is a programming language that supports scripts: programs written for a special runtime environment that automate the execution of tasks that could alternatively be executed one-by-one by a human operator. It is not always obvious whether a programming language is a scripting language, like it's not always obvious whether a language is compiled or interpreted. This element includes the global attributes. Commands all have the same basic form illustratedby the following example: This command computes the sum of 20 and 10 and returns the result, 30.You can try out this example and all the others in this page bytyping them to a Tcl application such as tclsh; aftera command completes, tclshprints its result. A JavaScript file will have extension as .jsand it will be included in HTML files using