11/19/2023 0 Comments What is js![]() It also does memory management, JIT compilation, type system, etc. JavaScript engine interprets, compiles, and executes JavaScript code. Most browsers have implemented ECMA-262 5.1 edition. There are different editions of ECMAScript. ![]() JavaScript implements the ECMAScript standards, which includes features specified in ECMA-262 specification as well as other features which are not based on ECMAScript standards. ECMAScript specification defined in ECMA-262 for creating a general-purpose scripting language. So, there was a need to standardize the execution of the JavaScript code to achieve the same functionality in all the browsers.Įcma International is a non-profit organization that creates standards for technologies.ĮCMA International publishes the specification for scripting languages is called 'ECMAScript'. There are many different browsers from different companies. Let's clear the confusion before it arises.Īs you now know, JavaScript was primarily developed to execute on browsers. ![]() ![]() Often you will hear the term ECMAScript while working with JavaScript. Nowadays, JavaScript can execute not only on browsers but also on the server or any device with a JavaScript Engine.įor example, Node.js is a framework based on JavaScript that executes on the server. It was initially named Mocha, then LiveScript, and finally JavaScript. In early 1995, Brendan Eich from Netscape designed and implemented a new language for non-java programmers to give newly added Java support in Netscape navigator. ![]()
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