javascript element size code example

Example 1: get element size javascript

// Get Content + Padding + Border
let box = document.querySelector('div');
let width = box.offsetWidth;
let height = box.offsetHeight;

// Get Content + Padding only
let box = document.querySelector('div');
let width = box.clientWidth;
let height = box.clientHeight;

Example 2: javascript set element width

document.getElementById("myElID").style.width = "100px";