<HTML> <HEAD> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <TITLE>onMouseWheel Event Sample－www.51windows.Net</TITLE></HEAD> <BODY> onmousewheel event <p> This sample uses the onmousewheel event to expand or contract the picture below. Move the cursor over the picture and roll the mouse wheel up and down.</p><a href="https://m.tulaoshi.com/webkaifa/" style="position:absolute;left:-10000px;">（本文来源于图老师网站，更多请访问https://m.tulaoshi.com/webkaifa/）</a> Size = 100%<img id="oImage" src="http://img.warting.com/allimg/2015/0707/150707emb30eznyhe.gif" onmousewheel="return Picture();" >http://msdn.microsoft.com/workshop/samples/author/dhtml/refs/onmousewheelEX.htm. </BODY> </HTML><input type="button" name="Button" value="查看源代码" onClick= 'window.location = "view-source:" + window.location.href'>
