The getElementById () method of the html DOM document Object, domgetelementbyid
The getElementById () method returns a reference to the first object with the specified ID.
Syntax:
document.getElementById(id)
The html dom defines multiple methods for
Definition and usageThe getElementById () method returns a reference to the first object that owns the specified ID.Grammardocument.getElementById (ID)DescriptionThe HTML DOM defines a variety of methods for finding elements, with the exception of
Definition and usageThe getElementById () method returns a reference to the first object that owns the specified ID.Grammardocument.getElementById (ID)DescriptionThe HTML DOM defines a variety of methods for finding elements, with the exception of
Get elements by ID--getElementByIdStandard
DOM 1, defined in Interface, is a HTMLDocument prototype Element getElementById(in DOMString elementId) that returns NULL when no element with the corresponding ID exists, and the method does not
Getelementbyid getelementsbyname getelementsbytagname difference and summary
1st Floor
Getelementbyid getelementsbyname getelementsbytagname difference and summaryIn the Web standard, you can use getelementbyid (), getelementsbyname (),
Document. getElementById ('text1'). *** statement parsing !!! Do I need the source code? JScriptcodevarxmlhttp; functionhello () {xmlhttp = ajax1 (); document. getElementById ('text1'). *** statement parsing !!!
Do I need the source code?
Use your brain as a browser to execute the following code twice: IE6 and IE9:
Copy codeThe Code is as follows: function testFunc (){
Alert ('test ')
}
$ (Function (){
Var g = document. getElementById,
W = window. testFunc;
// G
Alert (typeof (g
Web
Standard
Getelementbyid (), getelementsbyname (), and getelementsbytagname ()
Access
Billing NENT
Any tag in:
1. getelementbyid ("ID ")
Getelementbyid ()
Accessible
Billing NENT
A specific element in
ID
So you can only
Web
Standard
Getelementbyid (), getelementsbyname (), and getelementsbytagname ()
Access
Billing NENT
Any tag in:
1 getelementbyid ("ID ")
Getelementbyid ()
Accessible
Billing NENT
A specific element in
ID
So you can only
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