HTML DOM 获取form表单项中的值方式
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<html><head><title>HTML DOM</title></head><body><!-- html注释 --><h2 style="color:red">HTML DOM 获取form表单项中的值方式</h2><form name="myform123" action="a.php">姓名：<input type="text" name="username" value="666qq"/></form><form name="myform" action="a.php">姓名：<input type="text" name="username" value="qq"/></form><button onclick="doGet()">获取内容</button><script type="text/javascript">function doGet(){//var s = document.myform.username.value;//var s = document["myform"].username.value;//*var s = document.forms[0].username.value;//var s = document.forms['myform'].username.value;var s = document.forms.item(1).username.value;//var s = document.forms.myform.username.value;alert(s);}</script></body></html>
