可以适应IE\FF\CHROME

javascript代码:

1    function iframeResize(iframe) { 2             try { 3  4                 var idocumentElement = iframe.contentWindow.document.documentElement; 5                 iframe.height = 450; 6                 if (idocumentElement.scrollHeight > 450) { 7                     iframe.height -= 5; 8                     iframe.height = idocumentElement.scrollHeight; 9                 }10             }11             catch (e) {12                 window.status = 'Error: ' + e.number + '; ' + e.description;13             }14         }

 HTML代码:

1