HTML DOM getElementsByTagName () method
Examples
Change the text list first list item:
var list=document.getElementsByTagName("UL")[0]
list.getElementsByTagName("LI")[0].innerHTML="Milk";
list.getElementsByTagName("LI")[0].innerHTML="Milk";
Modify the text before:
- Coffee
- Tea
After modifying the text:
- Milk
- Tea
try it"
Definition and Usage
getElementsByTagName () method returns a collection of objects with the specified tag name.
Tip: If the special string "*" is passed to getElementsByTagName () method, it will return a list of all of the elements in the document, elements are arranged in the order that they order in the document.
Browser Support
All major browsers support getElementsByTagName () method
grammar
element .getElementsByTagName( tagname )
parameter
| 参数 | 类型 | 描述 |
|---|---|---|
| tagname | String | 必须。你想获取自元素的标签名。 |
return value
| 类型 | 描述 |
|---|---|
| NodeList object | 返回元素的顺序是它们在文档中的顺序。 |
technical details
| DOM version | Core Level 1 Element Object |
|---|