比如:<html>
<head>
</head>
<body>
testvalue
</body>
</html>
而非<html>
<head>
</head>
<body>
<input name="test" type="text" value="testvalue">
</body>
</html>
<head>
</head>
<body>
testvalue
</body>
</html>
而非<html>
<head>
</head>
<body>
<input name="test" type="text" value="testvalue">
</body>
</html>
test.outerHTML = test.value</Script>
<head>
</head>
<body>
<input name="test" type="text" value="">testvalue
</body>
</html>
<span id="t"></span>
<table > <tr><td id="Q"> </td></tr></table>