In the Web standard, you can use getelementbyid (), getelementsbyname (), and getelementsbytagname () to access any tag in the document.
(1) getelementbyid ():
Getelementbyid () can access a specific element in the document. As the name suggests,
In the Web standard, you can use getelementbyid (), getelementsbyname (), and getelementsbytagname () to access any tag in the document.
(1) getelementbyid ():
Getelementbyid () can access a specific element in the document. As the name suggests,
Web standards can access any of the tags in the document through getElementById (), Getelementsbyname (), and getElementsByTagName ().(1) getElementById ():getElementById () can access a specific element in the document, as the name implies, by
Any one of the labels in document:
1, getElementById ()
getElementById () can access a specific element in the document, as the name implies, by using an ID to get the element, so you can only access the element that has the ID set.
For example,
In js writing, you often need to obtain the id object. If you use getElementById directly to obtain the object, there are many codes and the old browser does not support this attribute. You can consider using the following code. For example, use _ $
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 (),
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
Assume that the textbox1 character is copied to textbox2 in real time. The Code is as follows:
The above code can work well. However, I think the document on the equal sign side 2. getelementbyid ("... ") the code is too long. You want to assign
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