07 2023 档案
摘要:给指定Id为video添加对应::before的css var style1 = document.createElement('style'); style1.innerHTML = `#video::before { content: ""; display: inline-block; bac
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摘要:<div id="water" style=" position: relative;"> <!-- 其它内容 --> <canvas id="canvas" style="position: absolute; top: 0; left: 0;z-index: 9999; pointer-even
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摘要:const observer = new MutationObserver(this.callback) const targetNode = document.getElementById('video') const config = { attributes: true } observer.
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