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Set CSS variables and access them with JavaScript.
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| const stringVariable = getComputedStyle(document.documentElement) | |
| .getPropertyValue('--height'); // '60px' | |
| const heightInPx = Number(stringVariable.match(/[0-9]*/)[0]); // 60 |
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| :root { | |
| --height: 60px; | |
| } |
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