css get width of element code example
Example 1: javascript get element width
var width = document.getElementById('myID').offsetWidth;//includes margin,border,padding
var height = document.getElementById('myID'). offsetHeight;//includes margin,border,padding
Example 2: javascript set element width
document.getElementById("myElID").style.width = "100px";
Example 3: width defined by content css
width: 300px;
width: 25em;
width: 75%;
width: max-content;
width: min-content;
width: fit-content(20em);
width: auto;
width: inherit;
width: initial;
width: unset;