1、解决wkwebview 在网页中播放视频不能暂停的问题
NSString *script = @"var videos = document.querySelectorAll(\"video\"); for (var i = videos.length - 1; i >= 0; i--) { var ivideo = videos[i]; ivideo.setAttribute(\"webkit-playsinline\",\"\"); ivideo.pause(); };";
[self.webViewevaluateJavaScript:script completionHandler:nil];
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