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比如我們打開一個(gè)網(wǎng)頁，我想通過js獲取圖片的加載的開始時(shí)間和結(jié)束時(shí)間，應(yīng)該如何做，希望給出一個(gè)有效的函數(shù)
net_lover 發(fā)表于 2006-12-9 10:08:45
<script> var a,b function aa(o) { if(o.readyState == "loading") { a = new Date() x1.innerHTML=o.readyState } if(o.readyState =="complete") { b = new Date() x2.innerHTML=b alert("加載：" + (b-a) + "毫秒") } } </script> <body> <div id=x1></div> <div id=x2></div> <img src="http://blog./images/blog_sfruc_edu_cn/mxh/6/o_762_1024x768.jpg" onreadystatechange="aa(this)"/> </body> yueliangdao0608 發(fā)表于 2006-12-9 15:38:56
<script> var a,b function aa(o) { if(o.readyState == "loading") { a = new Date() document.getElementById("x1").style.display = "block"; document.getElementById("x1").innerHTML = "Loading..."; //x1.innerHTML=o.readyState } if(o.readyState =="complete") { b = new Date() document.getElementById("x1").innerHTML="加載：" + (b-a)/1000 + "秒"; //document.getElementById("x1").style.display = "none"; //alert("加載：" + (b-a) + "毫秒") } } </script> <body> <div id=x1 style="display:none"></div> <img src="http://blog./images/blog_sfruc_edu_cn/mxh/6/o_762_1024x768.jpg" onreadystatechange="aa(this)"/> </body> yueliangdao0608 發(fā)表于 2006-12-9 15:39:26
見到鉆石了。 RedErick 發(fā)表于 2006-12-9 16:51:15
非常感謝孟子E章，真是高手中的高手，請問onreadystatechange是img的特殊屬性嗎？ |
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