Set the value of uncheck jquery checkbox

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Set the value of uncheck jquery checkbox



Hi I am new to javascript, html and jquery. I would really appreciate any help or suggestion thanks in advance. I am trying to set the value of jquery checkbox to No if uncheck I adden an html code hidden with the same name of my jquery checkbox before my jquery checkbox


<input type="hidden" name="c1" value="No" />



actually it saving No if uncheck however if it is checked it saving as Yes;No



my jquesry check box


<input grouping="" id="c1" name="c1" type="checkbox" value="Yes" />





do you have 2 inputs with the same name attribute? that wont work
– Alex
Aug 13 at 7:57


name





I only have one checkbox but did create <input type="hidden" name="c1" value="No" /> and it saving no if the checkbox is uncheck however storing and displaying Yes;No if check box is checked
– Aika
Aug 13 at 8:01





You cannot do this using plain HTML. An unchecked checkbox provides no value. The alternative is to do as you have done, by creating a text input with the same name, but then you will have to work with both values.
– Rory McCrossan
Aug 13 at 8:02





exactly. if the checkbox isnt checked, the value wont be submitted. having 2 inputs with the same name doesnt make sense in this case. use jquery or remove one checkbox
– Alex
Aug 13 at 8:03





I also used this <script> $("input[type='checkbox']").on('change', function() $(this).val(this.checked ? "Yes" : "No"); ) </script>
– Aika
Aug 13 at 8:06




3 Answers
3



You can do it like this:


$("#c1").change(function()
var name = $(this).attr("name");
$("input[type=hidden][name=" + name + "]").val(($(this).is(":checked") ? "Yes" : "No"));
console.log($("input[type=hidden][name=" + name + "]").val());
)



Demo




$("#c1").change(function()
var name = $(this).attr("name");
$("input[type=hidden][name=" + name + "]").val(($(this).is(":checked") ? "Yes" : "No"));
console.log($("input[type=hidden][name=" + name + "]").val());
)


<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type="hidden" name="c1" value="No" />
<input grouping="" id="c1" name="c1" type="checkbox" value="Yes" />





always saving No thank you for the help
– Aika
Aug 13 at 8:23





If your using this code, it should switch between yes and no
– Carsten Løvbo Andersen
Aug 13 at 8:32



Use DOM


if($("#c1").checked)
$("#c1").value = "yes";
else
$("#c1").value = "no";



checked return true if checked or false



You can use javascript :


<input onchange="chkboxHandler()" id="c1" name="c1" type="checkbox" value="Yes" checked/>



On value change of checkbox we call the function bellow


<script>
function chkboxHandler()
var chkbox = document.querySelector("input#c1")
if (chkbox.checked)
chkbox.value = "Yes"
else
chkbox.value = "No"


</script>



Hoping you have your answer






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