set css variable from javascript
document.documentElement.style.cssText = "--tab-count: 3";
/or/
document.documentElement.style.setProperty("--tab-count", 5);
/or/
document.documentElement.setAttribute("style", "--tab-count: 5");set css variable from javascript
document.documentElement.style.cssText = "--tab-count: 3";
/or/
document.documentElement.style.setProperty("--tab-count", 5);
/or/
document.documentElement.setAttribute("style", "--tab-count: 5");javascript use css custom properties
Values in JavaScript
To use the values of custom properties in JavaScript, it is just like standard properties.
// get variable from inline style
element.style.getPropertyValue("--my-var");
// get variable from wherever
getComputedStyle(element).getPropertyValue("--my-var");
// set variable on inline style
element.style.setProperty("--my-var", jsVar + 4);Copyright © 2021 Codeinu
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