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Example code for val() form value assignment in Jquery_jquery

WBOY
Release： 2016-05-16 17:25:39
Original
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jQuery provides the powerful val() method to handle value-related operations.
Get the value of a single select and the value of a multi-select.

Copy code The code is as follows:

HTML code:

< /p>





jQuery code:
$("p").append(
" Single: " $("#single").val()
" Multiple: " $("#multiple").val() .join(", ")
);
Result:
[

Single:SingleMultiple:Multiple, Multiple3< ;/p>]


Get the value in the text box
HTML code:
Copy codeThe code is as follows:


jQuery code:
$("input").val() ;

Result:
some text
The following is how var() can get/assign the form element value
Copy code The code is as follows:




val() method



< body>



 
< input type="button" value="Input">








Note: var data=$("#myId").val();
If myid does not exist, data is undefined
Related labels：
jquery val() form
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