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created: 20221110145611678
creator: Octt
modified: 20230429221017331
modifier: Octt
tags: Development Internet $:/i18n:en
title: JavaScript
''JavaScript'', or "JS", is an high-level programming language. It constitutes a core technology of the Web, sitting optionally alongside HTML and CSS. In recent years, it has gotten more and more popular even for desktop app and backend development.
<<^wikipediaframe JavaScript>>
* [[Ecma International TC39|https://tc39.es/]] - Committee maintaining JS specifications
!!! ''Resources''
* [[Which equals operator (== vs ===) should be used in JavaScript comparisons?|https://stackoverflow.com/questions/359494/which-equals-operator-vs-should-be-used-in-javascript-comparisons]] ("Good and bad twins")
** [[In theory === is faster, no type conversion takes place. Practically there's no performance difference.|https://stackoverflow.com/questions/12332855/which-javascript-equality-operator-or-is-faster]]
** [[JavaScript-Equality-Table|https://dorey.github.io/JavaScript-Equality-Table/unified/]] - <<[ "[[Git|https://github.com/dorey/JavaScript-Equality-Table]]">>
!!! ''Tools''
* [[jsPerf|https://jsperf.app/]] - //online JavaScript performance benchmark// - <<[ "[[Git|https://github.com/rd13/jsperf.app]]">>
** Old source code: [[v2|https://github.com/jsperf]], [[v1|https://github.com/mathiasbynens/jsperf.com]]
* [[MeasureThat.net|https://www.measurethat.net/]] - //measure performance of JavaScript code// - <<[ "[[Git|https://github.com/thecoderok/MeasureThat.net]]">>