关于javascript和DOM,这是否符合标准？

Question

<form name='form1'>
   <select name='sel1'></select>
</form>

<script>
   document.form1.sel1 ...  //access element by it's name attribute, is this standard?
</script>

Answer 1

正确的语法是:

document.forms.form1.elements.sel1

要么

document.forms["form1"].elements["sel1"]