How to check Checkbox with Jquery

Question

I have the following piece of code :

for(var i = 0, len = data.UserDetail.RoleNames.length; i < len; ++i) {
    var rolevalue = data.UserDetail.RoleNames[i];
    //alert(rolevalue)

    $('input[value = rolevalue]').attr('checked', true); // I am getting a exception in this line !! :(
}

I am not able to check the values which are already present in the checkbox. The checkbox is having the following value

<input type="checkbox" name="role" value="Admin1" />Admin1<br />
<input type="checkbox" name="role" value="Admin2" />Admin2<br />
<input type="checkbox" name="role" value="Admin3" />Admin3<br />

<input type="checkbox" name="role" value="Admin4" />Admin4<br />

What will be syntax? I have also tried using the prop() function as well but it does not work.

SpoonNZ · Accepted Answer · 2012-01-08 23:52:53Z

3

It seems a bit of an odd way to do things, but I'm guessing what you want is:

$('input[value=' + rolevalue + ']').attr('checked', true)

I'm not 100% sure that the selector works this way, but if it does, that code will be better than yours!

answered Jan 8, 2012 at 23:52

SpoonNZ

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1 Comment

Anirban Over a year ago

Yipeeee it worked after I made minor modification :$('input[value="' + rolevalue + '"]').attr('checked', true)

RandomSeed · Accepted Answer · 2014-08-26 16:46:52Z

0

This will work too:

$('input[value='" + rolevalue + "']').is(':checked');

edited Aug 26, 2014 at 16:46

RandomSeed

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answered Aug 26, 2014 at 16:11

Murali Krishna

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