Custom properties css

// 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);

Source: developer.mozilla.org

Similar codes

0 vote286 views1 answer
How to resize img in css
CSS
0 vote332 views1 answer
Regex remove css comment
CSS
1 vote295 views1 answer
How to make my page fixed
CSS
1 vote293 views1 answer
Display in flexbox
CSS
0 vote291 views2 answers
Woocommerce cart css description
CSS
14 votes273 views2 answers
How to render css in flask link
CSS
0 vote283 views1 answer
Faire des colonnesdef etexte css
CSS
0 vote289 views3 answers
Remove cursor pointer css
CSS
2 votes296 views1 answer
Make a quarter of circle css
CSS
0 vote293 views1 answer
Opposite of :not css
CSS