有两个按钮,实现iframe不同网页的切换
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1 <script type="text/javascript"> 2 function Yclick() 3 { 4 var img = document.getElementById("img"); 5 img.src="21.jpg"; 6 } 7 function Gclick() 8 { 9 var img = document.getElementById("img"); 10 img.src="22.jpg"; 11 } 12 13 </script> 14 <style type="text/css"> 15 </style> 16 </head> 17 18 <body> 19 <iframe id ="img" src="16.jpg" frameborder ="0"></iframe> 20 <br/> 21 22 <input type = "button" value="原始" onclick="Yclick()"/> 23 <input type = "button" value="更换" onclick="Gclick()"/> 24 <a href="javascript:Yclick()"></a> 25 <a href="javascript:Gclick()"></a> 26 </body>