#js
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// 获取封面 drawVideo(video) { return new Promise((res, rej) => { const canvas = document.createElement('canvas') const ctx =...
function handleResize() { var htmlWidth = document.documentElement.clientWidth || document.body.clientWidth let htmlDom =...
js数据类型 原始数据类型：number、string、boolean、undefined、null、symbol、bigint 引用数据类型：object（包括Array，Function、Object类等）...