jQuery if checkbox is not checked issue [duplicate]

Question

Possible Duplicate:
Check checkbox checked property using jQuery

I am having an issue picking up when a checkbox is not checked.

Here is my sample code:

$(".get-the-look ul input").click(function(){
    if("this:checked") {
        var product = $(this).attr('alt');
        $("#bob div").remove('.'+product);
    } else {
        alert('asdasd');
    }
});

But the alert (if the checkbox isn't checked) never fires... The 'else' never kicks in no matter what state the checkbox is in?

I don't see where I am going wrong.

Tom Tu · Accepted Answer · 2011-01-26 12:02:58Z

20

you can't pass this:checked as a string - it won't work as it will be interpreted as a string and always evaluate to true

use $(this).is(':checked') instead

answered Jan 26, 2011 at 12:02

Tom Tu

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2 Comments

Harish Over a year ago

yes $(this).is(:checked) should be used!

Asraful Over a year ago

another bit similar q/a : stackoverflow.com/questions/2525331/…

jensgram · Accepted Answer · 2011-01-26 12:04:56Z

2

The string "this:checked" will always evaluate to TRUE. Try this.checked instead, i.e., evaluate the property checked on this:

if(this.checked) { ...

answered Jan 26, 2011 at 12:04

jensgram

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3 Comments

jensgram Over a year ago

Hmm, a little late on that one :) Also, make sure that you only try to access .checked on <input type="checkbox />.

Tom Tu Over a year ago

yeah :) but using native this.checked will do its job (and even faster) - gave jquery answer for consistence with the rest of the example and to show how it should be used properly.

jensgram Over a year ago

@Tom Hu Yup! Also, I forgot the reference to Utilizing the awesome power of jQuery to access properties of an element which I link to whenever I can :)

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