javascript 获取iframe里页面中元素值的方法
IE方法:
document.frames['myFrame'].document.getElementById('test').value;
火狐方法:
document.getElementById('myFrame').contentWindow.document.getElementById('test').value;
IE、火狐方法:
function getValue(){ var tmp = ''; if(document.frames){ tmp += 'ie哥说:'; tmp += document.frames['myFrame'].document.getElementById('test').value; }else{ tmp = document.getElementById('myFrame').contentWindow.document.getElementById('test').value; } alert(tmp); }
示例代码:
a.html页面中的代码
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title> javascript 获取iframe里页面中元素的值 测试 </title> </head> <body> <iframe id="myFrame" src='b.html' style="width:300px;height: 50px;"></iframe> <input type="button" id="btn" onclick="getValue()" value="test" > <script type="text/javascript"> function getValue(){ var tmp = ''; if(document.frames){ tmp += 'ie哥说:'; tmp += document.frames['myFrame'].document.getElementById('test').value; }else{ tmp = document.getElementById('myFrame').contentWindow.document.getElementById('test').value; } alert(tmp); } </script> </body> </html>
b.html页面中的代码
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title> 我是 iframe内的页面 </title> </head> <body> <input type='text' id="test" value='欢迎访问:justflyhigh.com'> </body> </html>