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,
Click the button to disable the button and display the text [processing...]. The getelementbyid button tag value is text, and the getelementbyid value is
[Reprinted with the source: lanmanck.net. csdn. blog]
If jquery is used on the Internet,
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
However, if you need to find a specific element in the document, the most effective method is getelementbyid ().
However, when using getelementbyid, The results may be different for different browsers.
CopyCode The Code is as follows: text1:
Text2
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,
(Reprinted) How to Use js to get the textbox value in Asp.net. js cannot get the text value
Work Objectives
// The javascript statement is as follows:
The value in the text control cannot be obtained! Set breakpoints. In The
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?
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