jquery ??() ??? ???
??: width() ???? ???? ??? ??? ????? ?????.
?? ??: ? ??? ???? ??? ??? ?????. ? ???? ??? ??? ??? ???? ??? ??(?? ??)? ?????.
??: ??$(selector).width()
?? ??: ???? ?? ??? ??? ?????.
??: ??$(selector).width(length)
????:
???? | Description |
length | ?? ?????. ??? ??? ?????. ?? ??? ???? ??? ?? px ??? ?????. |
??? ???? ??? ?????. ??? ???? ???? ?? ??? ??? ?????.
??: ??$(selector).width(function(index,oldwidth))
????:
Parameters | Description |
function(index,oldwidth) | ??? ?? ?? return ??? ??? ? ??? ?? ?????. |
index | ????. ??? |
oldvalue | ? ??? ??? ?????. ???? ?? ?? ?????. |
jquery ??() ??? ?
<html> <head> <script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $(".btn1").click(function(){ $("p").width(200); }); }); </script> </head> <body> <p style="background-color:yellow">This is a paragraph.</p> <button class="btn1">改變寬度</button> </body> </html>
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