What is JavaScript?

JavaScript is a type of scripting language, also known as interpreted programming developed by Netscape. It is similar in nature and capability to Visual Basic, Tcl, Perl, and REXX. A benefit of scripting languages like JavaScript is that they are easier to code than compiled programming languages such as C and C++. However, scripting languages do tend to take longer to process and compile.

JavaScript is primarily used to create dynamic content in web browser applications, and can be used in nearly all browsers today. JavaScript is one of the three core technologies of World Wide Web content production along with HTML and CSS, Today, majority of the websites employ it and nearly all modern Web browsers support it without the need for plug-ins.

JavaScript is a prototype-based programming language that includes first-class functions. It is called a multi-paradigm language, as it supports three different programming styles: object-oriented, imperative, and functional. It also has an API that works with text, arrays, dates and regular expressions. However, it does not include any I/O functions, such as networking, storage, or graphics facilities.

It should be noted that JavaScript is in no way related to Java, which is a completely different programming language developed by Sun Microsystems. The only thing they have in common is the name, and the fact that they are both programming languages.  

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