HTML is used to define the content of web pages. JavaScript is one of the three languages all web developers must learn: Null:-It represents null values means there is no value. Undefined:-it Represents undefined value or not defined values. RegExp:-It represents Regular Expression. Number:-Numbers represents the numeric values, Ex:-2000.Īrray:-Array represents’ a group of similar type data.īoolean:-Boolean represents the Boolean value, i.e. Object:-Object represents instances through which we all can access members String:-String represents the sequence of characters means the combination of characters, Ex:-‘Hello’. JavaScript code is run on a browser only.įollowing are the Data types present in JavaScript:-īasically, there are two types of JavaScript Data types Java creates applications that run in a virtual machine or browser JavaScript is a client-side scripting language (not fully OOP). Java is an object-oriented programming (OOPS) or structured programming languages like C++ or C and. JavaScript is a coded program that can be introduced to HTML pages (otherwise known as server-side scripting language). Java is a complete programming language that can be used for backend coding.

What are the differences between Java and JavaScript? He developed this new scripting language in just ten days.Īt the time of launch, it was initially named Mocha, after which it was known as Live Script and later known as JavaScript. JavaScript was created by a Netscape programmer, Brendan Eich. JavaScript was launched in year September 1995. Who developed JavaScript, and what is the first name of JavaScript? This scripting language also acts like an object-oriented programming language but not a class-based object-oriented language. This scripting language can be written into HTML pages (also could use CSS for styling the pages), and web browsers understand the page. JavaScript is a client-side scripting language as well as a server-side scripting language. Learn More → Javascript interview questions for freshers 1.