/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

16 votes231 views5 answers
Jquery enable disable textbox
Javascript jQuery
19 votes166 views4 answers
Jquery get value checkbox checked
Javascript jQuery
0 vote193 views1 answer
Get public url as laravel asset() in jquery
Javascript jQuery
4 votes182 views2 answers
Change placeholder text jquery
Javascript jQuery
24 votes184 views4 answers
Jquery add attribute
Javascript jQuery
1 vote181 views1 answer
Custom attribute jquery selector
Javascript jQuery
2 votes170 views2 answers
JQuery form upload
Javascript jQuery
0 vote137 views1 answer
Saber el alto de un div jquery
Javascript jQuery
7 votes183 views1 answer
Jquery replace innerhtml
Javascript jQuery
-1 vote192 views1 answer
Jquery get select name value
Javascript jQuery