![]() ![]() The trick is to keep your web browser itself updated - this will ensure that the web browser you're using has the latest version of JavaScript/ECMAScript built in to it. ![]() No, JavaScript isn't something that you can update specifically - it's not a seperate bit of software, plugin, or extension that needs to be maintained. (Read: Why should I update my web browser?.) Do I have to update JavaScript? ![]() As a consumer you probably won't notice much difference between recent versions, however if a website is written using modern JavaScript and you don't have an up to date web browser, then some or all features may not work. Most of the new features that continue to get added to JavaScript/ECMAScript are there to help developers write better, cleaner, and faster code. Why are there new versions of JavaScript? New features are always being added to it and a new major JavaScript version seems to be released once per year. Yes, absolutely! JavaScript (or more correctly ECMAScript) is a programming specification which is very much alive and in development. There are different versions of JavaScript?! The differences and distinctions between ECMAScript and JavaScript are too complicated to delve into here however has written a fantastic article which spells out the differences between JavaScript and ECMAScript in a way that's still really easy to understand. We know that this is a really simplistic explanation but we're trying to not get too complicated here! if someone wants to know "what version of JavaScript you have" they're really asking "what version of ECMAScript your browser supports". Technically speaking, JavaScript could be considered a "dialect" of ECMAScript, although generally speaking the terms "ECMAScript" and "JavaScript" are almost always though of as being synonymous. What is ECMAScript?ĮCMAScript is a general purpose programming language whose most popular implementation is known as JavaScript. This page shows you what version of ECMAScript your browser supports. We have a guide that can help you enable it. Most websites require Javascript to be enabled in your web browser in order to work. ![]()
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