How to get many values selected of checkbox using Jquery

Dung Do Tien Apr 10 2020 906

I have a form and this form content a list checks to get some favorite of the user but I don't know how to get all checkbox checked. 

<div class="col-md-12 form">
    <div class="title">Hobbies</div>
    <div class="form-item">
        <input type="checkbox" name="hobbies" id="checkbox-1" value="1" class="custom" />
        <label for="checkbox-1">Films</label>
        <input type="checkbox" name="hobbies" id="checkbox-2" value="2" class="custom" />
        <label for="checkbox-2">Travle</label>
        <input type="checkbox" name="hobbies" id="checkbox-3" value="3" class="custom" />
        <label for="checkbox-3">Restaurant</label>
        <input type="checkbox" name="hobbies" id="checkbox-4" value="4" class="custom" />
        <label for="checkbox-4">Other</label>

 I don't know how to select a checkbox group by its name.

How can I do this?

Have 1 answer(s) found.
  • S

    Sandeep Kumar Apr 12 2020

    1. To check the status of a single checkbox you can use :checked selector as bellow:

    $('#' + id).is(":checked") 

    2. To get the array value of checkboxes selected with the same name:

    var checkbox = $('.form .form-item input[name=hobbies]:checked');
    // return list checkbox object selected 

    And then you can loop through them and see what's checked you can do:

        // Do stuff here with this

    3. To validate form you can check the length of checkbox variable

    if(checkbox == null || checkbox.length <= 0){
      // show msg error here

    See demo code

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