将浏览器当前窗口宽高显示在页面上, 窗口大小改变时, 也能动态显示

<div id="root"></div>
<script>
    window.onresize = ()=>{
    var getRoot = document.getElementById("root");
    getRoot.innerHTML = `Width: ${window.innerWidth}
Height: ${window.innerHeight}`;
    }
</script>

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转载自www.cnblogs.com/spikeeee/p/10170320.html