front-end-developer_1_

Front-End-Developer - Level 1
JavaScript Reserved Words
In JavaScript, some identifiers are reserved words and cannot be used as variables or
function names.
JavaScript Standards
ECMAScript 3 (ES3) was released in December 1999.
ECMAScript 4 (ES4) was abandoned.
ECMAScript 5 (ES5) was released in December 2009.
ECMAScript 6 (ES6) was released in June 2015, and is the latest official version of
JavaScript.
Time passes, and we are now beginning to see complete support for ES5/ES6 in all modern
browsers.
JavaScript Reserved Words
In JavaScript you cannot use these reserved words as variables, labels, or function names:
JavaScript Reserved Words
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