<title>Iframe学习</title> <script type="text/javascript"> function changeSrc(){ var i1 = document.getElementById("iframe1"); i1.src = "http://www.kanshule.com"; } function getText(){ //var x = document.getElementById("iframe1").contentDocument;//此法不通 var x = window.frames["iframe1"].document.body.innerHTML; var y = window.frames["iframe1"].document.getElementById("t1").value; alert(x+"\n"+y); } </script> <iframe src="http://www.jb51.net" id="iframe1"></iframe> <input type="button" value="改变src" onclick="changeSrc();"> <input type="button" value="getText" onclick="getText();"> [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]
