/Javascript/jQuery/Jquery check if input is empty on keyup

Jquery check if input is empty on keyup

http://jsfiddle.net/DKW7M/

HTML:
<input type="text" id="test" />
-----
JS:

$("#test").keyup(function() {
                var input = $(this);

                if( input.val() == "" ) {
                  input.css( "border", "1px solid #000" );
                }   
            });

Source: stackoverflow.com

Similar codes

0 vote130 views4 answers
Jquery save method
Javascript jQuery
0 vote172 views1 answer
Jquery check is select
Javascript jQuery
0 vote133 views1 answer
JQuery disable enable submit button
Javascript jQuery
1 vote145 views1 answer
Jquery onlcick css change
Javascript jQuery
17 votes148 views2 answers
How to animate a flash in jquery
Javascript jQuery
4 votes138 views2 answers
How to get the value of dropdown in jquery
Javascript jQuery
0 vote138 views1 answer
Dom jquery
Javascript jQuery
0 vote156 views1 answer
Javjquery is emptyobject
Javascript jQuery
-1 vote140 views1 answer
Jquery delete a cookie
Javascript jQuery
0 vote128 views2 answers
Jquery.mask.js
Javascript jQuery