JAVASCRIPT

javascript get element width

var width = document.getElementById('myID').offsetWidth;//includes margin,border,padding
var height = document.getElementById('myID'). offsetHeight;//includes margin,border,padding

how to get width in javascript

int screenHeight = screenSize.height;
int screenWidth = screenSize.width;

javascript get width

getComputedStyle(element).width; //returns value in px like "727.7px"