Answers for "get css var in js"

3

javascript get css variable

let docStyle = getComputedStyle(document.documentElement);

//get variable
let myVarVal docStyle.getPropertyValue('--my-variable-name');

//set variable
docStyle.setProperty('--my-variable-name', '#fff');
Posted by: Guest on June-15-2020
2

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");
Posted by: Guest on October-13-2020
2

js set css variable

document.documentElement.style.setProperty("--main-background-color", "green");
Posted by: Guest on January-07-2021

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