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++. In this example there are four words: expr,20, +, and 10. Scripting languages are descendants of the Job Control Language, an early language used by corporations to automate the execution of a series of tasks. Programming languages break into two different families: compiled and interpreted. 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. In the following example, JavaScript version is 1.2. For classic scripts, if the async attribute is present, then the classic script will be fetched in parallel to parsing and evaluated as soon as it is available. In key ways, scripting languages are made for specific runtime environments, and they automate some of the code implementation. The
