put a number of items how much window.innerwidth vanilla javascript code example

Example 1: get window size javascript

const window {
  width: window.innerWidth,
  height: window.innerHeight
}

Example 2: JS get viewport width

//getting the viewport dimensions
var width= Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
var height = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);