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<style> .pre-item:hover::after { width:99%; content:'点击删除'; padding:10px 0px;border-radius:5px;z-index:1;position:absolute; top:50%; left:50%; cursor:pointer; text-align:center; background-color:rgba(0, 0, 0, .7); color:#f00; transform:translate(-50%, -50%);} </style> <input type="file" id="upload" mu… HTML5 video 标签。 </video> <script> myVid=document.getElementById("video1"); function getFirstPlayedRange() { alert("Start:" + myVid.played.start(0) + " End:" + myVid.played.end(0)); } </script> <p>Video courtesy of <a href="http://www.bigbuckbunny.org/" target="_blank">Big Buck Bunny</a>.</p> </body> </html>
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