TL,DR: 务必总是在构建函数里定义实例属性。 在小胖的PoorPhy物理库里,有很多类似这样的代码: function WorldA () { // ... } WorldA.prototype = {
FFmpeg cheat sheet A list of useful commands for the FFmpeg command line tool. Download FFmpeg: https://www.ffmpeg.org/download.html Full documentation: https://www.ffmpeg.org/ffmpeg.html Basic conversion