Created
February 22, 2018 16:47
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GM_addStyle
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| function GM_addStyle(aCss) { | |
| 'use strict'; | |
| let head = document.getElementsByTagName('head')[0]; | |
| if (head) { | |
| let style = document.createElement('style'); | |
| style.setAttribute('type', 'text/css'); | |
| style.textContent = aCss; | |
| head.appendChild(style); | |
| return style; | |
| } | |
| return null; | |
| }; |
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