js get width and height 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: javascript element height

var intElemOffsetHeight = element.offsetHeight;