Created
September 8, 2017 14:07
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Save cferdinandi/28a8896007cd26d91c6b8a403f4180b3 to your computer and use it in GitHub Desktop.
A simple script for toggling night mode on/off on a website.
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| var toggleNightMode = function () { | |
| var nightMode = document.querySelector('#night-mode-styles'); | |
| if (nightMode) { | |
| nightMode.parentNode.removeChild(nightMode); | |
| return; | |
| } | |
| var ref = window.document.getElementsByTagName('script')[0]; | |
| nightMode = document.createElement('style'); | |
| nightMode.id = 'night-mode-styles'; | |
| nightMode.innerHTML = 'body{filter:invert(1) hue-rotate(180deg);background:#000000;}iframe,img,video{filter:invert(1) hue-rotate(180deg);}img{opacity:0.7;}img:hover{opacity:1;}'; | |
| ref.parentNode.insertBefore(nightMode, ref); | |
| }; |
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