1//listen for window resize event
2window.addEventListener('resize', function(event){
3    var newWidth = window.innerWidth;
4    var newHeight = window.innerHeight; 
5});

1window.addEventListener("resize", () => {
2		// CODE
3});

1window.addEventListener('resize', functionName);
2

1window.resize = event => {
2  // Code here
3};

1function resizedw(){
2    // Haven't resized in 100ms!
3}
4
5var doit;
6window.onresize = function(){
7  clearTimeout(doit);
8  doit = setTimeout(resizedw, 100);
9};
10