语言:English 记录屏幕活动,相机,麦克风,选项卡,4k高清视频格式的扬声器(使用screenrecorder) #webscreenrecorder(Chrome扩展名)#源代码https://github.com/eskguptha/screenroder.#disqus博客(WebRTC)https://disqus.com/by/disqus_ulse5whbkm/# 测试https://github.com/eskguptha/screenrecorder/blob/master/test.html. webscreenRecorderrtc_extension ==='未定义'){ 警报('WebScreenRecorder Chrome扩展名已禁用或未安装。'); }函数start_recording(){ 尝试{ recorder = new webscreenrecorderrtc_extension(); rec_options = { eLEssebreen:真实, Enab