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created: 20221110145611678
creator: Octt
modified: 20240107012957516
modified: 20240107152759369
modifier: Octt
tags: Development $:/i18n:en Web
title: JavaScript
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* [[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") --- `==` is bad unless explicitly needed, since it does type-coercion.
** [[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]]">>
* [[Environment detection: node.js or browser|https://stackoverflow.com/a/57774317]]
* [[Superpacking JS Demos|https://web.archive.org/web/20120919185414/http://daeken.com/superpacking-js-demos]]
* [["Illegal invocation" errors in JavaScript|https://mtsknn.fi/blog/illegal-invocations-in-js/]] --- //The error is thrown when calling a function whose `this` keyword isn't referring to the object where it originally did (when the context of the function is lost)//
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** see [[https://eslint.org/docs/latest/rules/no-extend-native]]
* [[What does ~~ ("double tilde") do in Javascript?|https://stackoverflow.com/questions/4055633/what-does-double-tilde-do-in-javascript]] ; [[What is the "double tilde" (~~) operator in JavaScript? [duplicate]|https://stackoverflow.com/questions/5971645/what-is-the-double-tilde-operator-in-javascript]] --- double NOT logical operator, useful shorter and faster alternative to `Math.floor` for small numbers
* [[How to convert uint8 Array to base64 Encoded String?|https://stackoverflow.com/questions/12710001/how-to-convert-uint8-array-to-base64-encoded-string/66046176#66046176]]
* [[What is the JavaScript version of sleep()?|https://stackoverflow.com/questions/951021/what-is-the-javascript-version-of-sleep#39914235]] --- `await new Promise(r => setTimeout(r, milliseconds));`
* [[How to get text from all descendents of an element (disregarding scripts)?|https://stackoverflow.com/questions/2532043/how-to-get-text-from-all-descendents-of-an-element-disregarding-scripts]]
* [[Converting HTML string into DOM elements?|https://stackoverflow.com/questions/3103962/converting-html-string-into-dom-elements#3104237]] --- `doc = new DOMParser().parseFromString(htmlString, 'text/html')`