/Javascript/jQuery/Multiple checkbox validation in jquery

Multiple checkbox validation in jquery

function onSubmit() 
{ 
    var fields = $("input[name='list']").serializeArray(); 
    if (fields.length === 0) 
    { 
        alert('nothing selected'); 
        // cancel submit
        return false;
    } 
    else 
    { 
        alert(fields.length + " items selected"); 
    }
}

// register event on form, not submit button
$('#subscribeForm').submit(onSubmit)

//**************************************************
// HTML
<form method="POST" id="subscribeForm">
    <fieldset id="cbgroup">
        <div><input name="list" id="list0" type="checkbox"  value="newsletter0" >zero</div>
        <div><input name="list" id="list1" type="checkbox"  value="newsletter1" >one</div>
        <div><input name="list" id="list2" type="checkbox"  value="newsletter2" >two</div>
    </fieldset>
    <input name="submit" type="submit"  value="submit">
</form>

Source: stackoverflow.com

Similar codes

4 votes158 views3 answers
Jquery if enter key pressed
Javascript jQuery
22 votes197 views2 answers
Animate scroll to element Jquery
Javascript jQuery
29 votes206 views5 answers
How to uncheck a checkbox in jquery
Javascript jQuery
33 votes179 views3 answers
Jquery preventdefault
Javascript jQuery
0 vote184 views1 answer
Jquery sum all input values
Javascript jQuery
34 votes197 views6 answers
Jquery scroll to element
Javascript jQuery
46 votes188 views3 answers
Shorthand for jquery document ready
Javascript jQuery
0 vote221 views1 answer
Jquery generate post entire page
Javascript jQuery
0 vote229 views1 answer
Jquery to another page
Javascript jQuery
0 vote221 views1 answer
Remove attribute onclick jquery
Javascript jQuery