javascript getElementsByTagName() method
Translation results：
get
英[get] 美[ɡɛt]
vt.Get; catch; persuade; receive (punishment, etc.)
vt.& vi. Arrive, come
vi. Become; start; try to deal with; obtain benefits or wealth
n. Reproduce, cub; profit
Third person singular : gets present participle: getting past tense: got past participle: got gotten
element
##英[ˈelɪmənt] US[ˈɛləmənt] n. element; [chemical] element; principle; [electricity] resistance wireplural: elementsby
英[baɪ] 美[baɪ] prep. Beside...; Expression method; Because; Passed adv. Passed; Used to indicate retention or preservation; Short visittag
英[tæg] 美[tæɡ] vt.Attach; add tag to; prosecute; follow closely
vi.Follow behind...;follower
n.tag; appendage; catchphrase; title
Third person singular: tags Plural: tags Present participle: tagging Past tense ： tagged##name英[neɪm] 美[nem]
n. Name; reputation; having a name; famous person
vt. Determine; decide; name...; name... Present participle: naming Past tense: named Past participle: named
javascript getElementsByTagName() methodsyntax
Function: Returns a collection of objects with the specified tag name.
Syntax: document.getElementsByTagName(tagname)
Description: getElementsByTagName() method returns the elements in the order they are in the document Order. If you pass the special string "*" to the getElementsByTagName() method, it will return a list of all elements in the document, and the order in which the elements are arranged is the order in which they appear in the document.
Note: The string passed to the getElementsByTagName() method can be case-insensitive.
javascript getElementsByTagName() methodexample
<html>
<head>
<meta charset="UTF-8">
<script type="text/javascript">
function getElements()
{
var x=document.getElementsByTagName("input");
alert(x.length);
}
</script>
</head>
<body>
<input name="myInput" type="text" size="20" /><br />
<input name="myInput" type="text" size="20" /><br />
<input name="myInput" type="text" size="20" /><br />
<br />
<input type="button" onclick="getElements()"
value="How many input elements?" />
</body>
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