img的complete属性
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title>img - complete attribute</title> 6 </head> 7 <body> 8 <img id="img1" src="http://pic1.win4000.com/wallpaper/f/51c3bb99a21ea.jpg"> 9 <p id="p1">loading...</p> 10 <script type="text/javascript"> 11 function imgLoad(img, callback) { 12 var timer = setInterval(function() { 13 if (img.complete) { 14 callback(img) 15 clearInterval(timer) 16 } 17 }, 50) 18 } 19 imgLoad(img1, function() { 20 p1.innerHTML('加载完毕') 21 }) 22 </script> 23 </body> 24 </html>