<div id="iceberg">
testtesttest
</div><script language="javascript">
alert(document.getElementById("iceberg").innerText;
</script>
testtesttest
</div><script language="javascript">
alert(document.getElementById("iceberg").innerText;
</script>
调试欢乐多
alert(document.getElementById("iceberg").innerText);
</script>
<input type=text id="fi" value="this is a test">
<input type=button onclick="alert(document.getElementById('fi').value)" value="test">
</BODY>
^_^
获得元素通过ID由于ID是一个元素的唯一标识,而且,一个页面里面只能有一个ID