js实现当窗口大小改变后,隐藏盒子_窗口大小

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>窗口大小改变事件</title>
    <style>
        div{
            width:200px;
            height: 200px;
            background-color: pink;
        }
    </style>
</head>
<body>
<!--window.onsize=function(){}-->
<!--window.addEventListener("resize",function(){})-->
<script>
    window.addEventListener('load',function () {
        window.addEventListener('resize',function () {
            console.log('窗口尺寸变化了');
            if (window.innerWidth<700){
                document.querySelector('div').style.display='none';
            }
        })
    })
</script>
<div></div>
</body>
</html>