css get value as variable code example
Example 1: 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');
Example 2: css variables
/* "css variables" */
/* not for ie but good for Edge and other browser :D */
/*
By declaring a custom property on the :root pseudo-class
and using it where needed throughout the document
*/
:root {
--primary-bg: #8a2be2;
--btn-font-size: 18px;
--btn-padding: 10px 15px;
}
.btn-primary {
background-color: var(--primary);
font-size: var(--btn-font-size);
padding: var(--btn-padding);
color: #E2E2E2;
}