本文實例講述了js兼容火狐顯示上傳圖片預覽效果的方法。分享給大家供大家參考。具體實現方法如下：
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 <!doctype html> <html> <head> <meta content="text/html; charset=GBK" http-equiv="Content-Type" /> <title>Image preview example</title> <style type="text/css"> div {width:100px;height:100px;border: 1px #A3BFE7 solid;} img {width:atuo;height:atuo;} </style> <script type="text/javascript"> function viewPic() { var oFReader = new FileReader(); oFReader.onload = function(e) { document.getElementById("uploadPreview").src = e.target.result; } if (document.getElementById("uploadImage").files.length === 0) { return; } var oFile = document.getElementById("uploadImage").files[0]; oFReader.readAsDataURL(oFile); } </script> </head> <body> <input id="uploadImage" type="file" name="myPhoto" onchange='viewPic();'/><br> <img id="uploadPreview" src=""/> </body> </html>