例:
<form action="" name="lee">
<input type="text">
</form>
- 通过getElementsByTagName:
var form = document.getElementsByTagName('form')[0]
console.log(form)
- 通过item(n):
var form = document.forms.item(0)
console.log(form)
- 通过namedItem(name):
var form = document.forms.namedItem('lee')
console.log(form)
输出:
<form action="" name="lee">
<input type="text">
</form>
适用对象:
1、document.all
2、document.anchors
3、document.forms
4、document.images
5、document.links