javascript element height

// 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;

// The HTMLElement.offsetHeight read-only property returns the height 
// of an element, including vertical padding and borders, as an integer.

let intElemOffsetHeight = element.offsetHeight;

var intElemOffsetHeight = element.offsetHeight;