CSS中图片旋转超出父元素解决办法

下面的两种解决办法都会导致图片缩小，可以给图片进行初始化的宽高设置

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<head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title><style>html,body {margin: 0;padding: 0;}#box {box-sizing: border-box;width: 100%;height: 240px;background: pink;}#image {transform: rotate(0);object-fit: contain;}#btn {margin-top: 100px;}</style>
</head>
<body><div id="box"><img id="image" src="https://www.runoob.com/images/pulpit.jpg" alt=""><!-- <img id="image" src="https://pics0.baidu.com/feed/c2cec3fdfc039245259830d9727ca5c77c1e2521.jpeg@f_auto?token=b910f4287521294b9469788c77a3ac93&s=A12326BEC5137FDECCBC8DC1030060BB" alt=""> --></div><button id="btn">旋转</button>
</body>
<script>window.onload = () => {let btn = document.getElementById('btn')let image = document.getElementById('image')let box = document.getElementById('box')let childRawWidth = image.offsetWidth // 原始的图片宽let childRawHeight = image.offsetHeight  // 原始的图片高let deg = 0 btn.onclick = function() {if (deg > 360) {deg = 0} else {deg += 90}// 方法一：使用 scale -- 父元素的高度不固定// let childWidth = image.offsetWidth// let childHeight = image.offsetHeight// let scalePix = 1// if (childWidth > childHeight) {//     scalePix = childHeight / childWidth// } else {//     scalePix = childWidth / childHeight// }// image.style.transform = `rotate(${deg}deg) scale(${scalePix}, 1)`// 方法二：将图片重新设置宽高 -- 父元素的高度固定let parentWidth = box.offsetWidthlet parentHeight = box.offsetHeightif (childRawWidth > childRawHeight) {image.style.width = childRawHeight + 'px'}image.style.transform = `rotate(${deg}deg)`}}
</script>
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