本文實例講述了Javascript實現div層漸隱效果的方法。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 30 31 32 33 34 35 36 37 38 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Test Alpha</title> <style type="text/css"> #show { background:#ffff66; font-size:12px; height:200px; width:300px; left:300px; position:absolute; text-align:center; filter:alpha(opacity=0); } </style> </head> <body onload={document.getElementById('show').style.opacity=0;}> <div id="show"></div> <button onclick=fun()>button</button> </body> <script> function fun(){ var div=document.getElementById('show'); div.style.opacity=1; hidden(document.getElementById("show"),1,-0.01); } function hidden(o,i,s){ t=setInterval(function(){ i+=s; o.style.opacity=i; if(i<0)window.clearInterval(t); },1); }; </script> </html>希望本文所述對大家的javascript程序設計有所幫助。