![]() Joins all elements of an array into a string and returns this string.Uses a separator and an end separatorĮxample: const join = (array, separator = ',', end = separator) =>Ĭonsole.log(join(, ',', '&')) Ĭonsole.log(join(, ',')) Ĭonsole. ![]() The following web document returns the version of Javascript supported by your browser.Īlert('Supported Javascript Version : ' + jsbrowver) As we come to end of the year, let’s reflect on all the changes that JavaScript has gone through to better understand how to utilize this language. ECMAScript versions include ES1, ES2, ES3, ES5, and ES6. ECMAScript is the official language name. The version number is incremented based on the level of change included in the release. For example, version 7.2.11 indicates major version 7, minor version 2, and patch level 11. ![]() The following table covers the Javascript versions, release date and supported browser versions. JavaScript was invented by Brendan Eich, and in 1997 and became an ECMA standard. Angular version numbers have three parts:. JavaScript version and supported browser versions Better compatibility with the modern browser is another important aspect of it. This is a major update as per as security and libraries are a concern. JavaScript 1.5 is compatible with ECMA-262 Edition 3. JavaScript 1.4 (Works on Netscape server only) The second version of the ECMA specification had not been finalized when JavaScript 1.3 was released. These additional features, including some new features of JavaScript 1.3 that are not part of ECMA, are under consideration for the second version of the ECMA specification.įor example, JavaScript 1.2 and 1.3 support regular expressions, which are not included in ECMA-262. JavaScript 1.3 resolved the inconsistencies that JavaScript 1.2 had with ECMA-262, while keeping all the additional features of JavaScript 1.2 except = and !=, which were changed to conform with ECMA-262. JavaScript 1.3 is fully compatible with ECMA-262. Several features of JavaScript 1.2, such as the Date object, were platform-dependent and used platform-specific behavior. ![]() Netscape developed additional features in JavaScript 1.2 that were not considered for ECMA-262.ĮCMA-262 adds two new features: internationalization using Unicode, and uniform behavior across all platforms. JavaScript 1.2 is not fully compatible with ECMA-262 for the following reasons: ECMA-262 was not complete when JavaScript 1.2 was released. ![]()
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