Use faster JS selection methods (#11409 )

* Add JS tips section to frontend documentation

* Replace document.getElementsByTagName('body') with document.body

* Replace querySelectorAll with faster selecting methods where appropriate

* Replace querySelector with faster selecting methods where appropriate

* Fix typo

* Fix forEach and getElementsByClassName

* Change querySelector* to faster methods in erb files

* Change querySelector* to faster methods in ruby files

* Fix runkit tag

* Various fixes

* Update app/assets/javascripts/initializers/initializeEllipsisMenu.js

Co-authored-by: Ridhwana <Ridhwana.Khan16@gmail.com>

* Update app/assets/javascripts/utilities/slideSidebar.js

Co-authored-by: Ridhwana <Ridhwana.Khan16@gmail.com>

* Commenting out flaky spec

Co-authored-by: Ridhwana <Ridhwana.Khan16@gmail.com>

2020-11-16 17:35:50 +01:00

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items

Frontend Guide

plain-js.md

webpacker.md

preact.md

instant-click.md

dynamic-imports.md

styles.md

linting-formatting.md

liquid-tags.md

debugging.md

tracking.md

tips.md

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Frontend Guide

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