Run results for: 8x addEventListener('resize') VS matchMedia()

This benchmark compares using `addEventListener('resize')` with window.innerWidth VERSUS window.matchMedia with its `addListener()` function to see which is faster, when checking multiple conditions (8 different sizes, in this case).

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36

Browser: Chrome 110

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
matchMedia + addListener	64544.1 Ops/sec
resize + innerWidth	2723.5 Ops/sec

HTML Preparation code:

<style>
  #before:before {
  	content: "a";
 	 display: none;
  }
  @media(min-width: 200px) {
  	#body {
  		background: red;
  	content: "b";
  	}
  }
  @media(min-width: 600px) {
  	#body {
  		background: blue;
  	content: "c";
  	}
  }
  @media(min-width: 1000px) {
  	#body {
  		background: yellow;
  	content: "d";
  	}
  }
</style>
<div id="body">
</div>

Tests:

matchMedia + addListener
const matchMedia400 = window.matchMedia("(min-width: 400px)"); matchMedia400.addListener((query) => { if (query.matches) { console.log("400", true); } }) const matchMedia500 = window.matchMedia("(min-width: 500px)"); matchMedia500.addListener((query) => { if (query.matches) { console.log("500", true); } }) const matchMedia600 = window.matchMedia("(min-width: 600px)"); matchMedia600.addListener((query) => { if (query.matches) { console.log("600", true); } }) const matchMedia700 = window.matchMedia("(min-width: 700px)"); matchMedia700.addListener((query) => { if (query.matches) { console.log("700", true); } }) const matchMedia450 = window.matchMedia("(min-width: 450px)"); matchMedia450.addListener((query) => { if (query.matches) { console.log("450", true); } }) const matchMedia550 = window.matchMedia("(min-width: 550px)"); matchMedia550.addListener((query) => { if (query.matches) { console.log("550", true); } }) const matchMedia650 = window.matchMedia("(min-width: 650px)"); matchMedia650.addListener((query) => { if (query.matches) { console.log("650", true); } }) const matchMedia750 = window.matchMedia("(min-width: 750px)"); matchMedia750.addListener((query) => { if (query.matches) { console.log("750", true); } })
resize + innerWidth
let currentWidth = window.innerWidth; window.addEventListener('resize', () => { currentWidth = window.innerWidth; }); switch (currentWidth) { case 400: console.log("400", true) break case 500: console.log("500", true) break case 600: console.log("600", true) break case 700: console.log("700", true) break case 450: console.log("450", true) break case 550: console.log("550", true) break case 650: console.log("650", true) break case 750: console.log("750", true) break }

Run results for: 8x addEventListener('resize') VS matchMedia()

This benchmark compares using `addEventListener('resize')` with window.innerWidth VERSUS window.matchMedia with its `addListener()` function to see which is faster, when checking multiple conditions (8 different sizes, in this case).

matchMedia + addListener

resize + innerWidth