h5视频截图小工具

复制以下代码添加到浏览器书签使用~ ```javascript javascript:(function(){var canvas = document.createElement('canvas');var video;var videos = document.getElementsByTagName('video');videos.forEach((v,i) => {if(v.currentSrc) video = v;});if(!video){var iframe = document.getElementsByTagName('iframe')[0];video = iframe.contentWindow.document.getElementsByTagName('video')[0];}if(!video) return;if(document.getElementById('videoCut')){canvas = document.getElementById('videoCut');}else{canvas.setAttribute('id','videoCut');document.body.append(canvas);} if(!video){var iframe = document.getElementsByTagName('iframe')[0];video = iframe.contentWindow.document.getElementsByTagName('video')[0];}canvas.setAttribute('width',video.videoWidth);canvas.setAttribute('height',video.videoHeight);canvas.style.display = 'none';var ctx = canvas.getContext('2d');ctx.drawImage(video,0,0,video.videoWidth,video.videoHeight);var base64 = canvas.toDataURL('images/png');var img = new Image();img.src = base64;const newWin = window.open('','_blank');newWin.document.write(img.outerHTML);newWin.document.close();})() ``` tampermonkey: [脚本地址](https://greasyfork.org/zh-CN/scripts/410670-b%E7%AB%99%E8%A7%86%E9%A2%91%E6%88%AA%E5%9B%BE)