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vue + naiveui + fastapi 日常使用记录之按钮绑定按键

遇到的问题记录:问题描述:navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia上述代码中 navigator.getUserMedia 获取到的都是 undefined，并且更换为使用navigator.mediaDevices.getUserMedia() 报错"Cannot

function sleep(milliseconds) { const date = Date.now(); let currentDate = null; do { currentDate = Date.now(); } while (currentDate - date < milliseconds);}function process(){ a(); sleep(1000); b();}