Call a function after an event of selecting a checkbox by class or name

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I have a checkbox like

<input type='checkbox' class='mycheck' name='selected' value="something">

And there are more than 100 such checkboxes i have to delete multiple data,I cant use id to identify them in DOM any idea how to do something on checkbox select

something like

<script>
 $('.mycheck:checkbox:checked').change(function() {
      alert("helloo");   
    });

</script>

I want to store checkbox value in array after this event

You can simply use this to refer the current element inside the event handler function:

$('.mycheck:checkbox').change(function() {
  if(this.checked)
    console.log('checked');
  else
    console.log('not checked');
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type='checkbox' class='mycheck' name='selected' value="something">
<input type='checkbox' class='mycheck' name='selected' value="something2">

How to call javascript function only when checkbox is checked , Better to use onchange event and check inside function if checked or not. function stickyheaddsadaer(obj) { if($(obj).is(":checked")){ alert("Yes  Call JavaScript function when CheckBox is checked or unchecked. The HTML Markup consists of a CheckBox and an HTML DIV consisting of a TextBox. The CheckBox has been assigned a JavaScript OnClick event handler. When the CheckBox is clicked, the ShowHideDiv JavaScript function is executed.

You can store the checkbox values when it is checked like below example.

Example:

 $('.mycheck:checkbox').change(function() {
   if ($(this).is(":checked"))
     alert("helloo");
 });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type='checkbox' class='mycheck' name='selected' value="something">
<input type='checkbox' class='mycheck' name='selected1' value="something">
<input type='checkbox' class='mycheck' name='selected2' value="something">

How to handle HTML checkbox events, The HTML checkbox input element allows you to select a single value for contains a checkbox , in this example we will be building a form that takes a user name and Here I added an on click event and make it so it will call a function called  jQuery: Call function when CheckBox is checked or unchecked The HTML Markup consists of a CheckBox and an HTML DIV consisting of a TextBox. The CheckBox has been assigned a jQuery OnClick event handler.

You can check if a checkbox is checked by using this.checked. And then alert if the checkbox is checked. So you only need to target such element $('.mycheck'):

$('.mycheck').change(function() {
    if(this.checked) {
      alert("Checked!");
    } 
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type='checkbox' class='mycheck' name='selected' value="something">

Handling Checkboxes Onclick with JavaScript, How to access checked and value properties of a checkbox and group of checkboxes onclick. assign function to onclick property of checkbox document. For our example, the function called onclick updates the total field in the form using </div> <p> <label>Total: $ <input type="text" name="total" class="num" size="6"  type CheckBox = class inherit ButtonBase. Public Class CheckBox Inherits ButtonBase. MarshalByRefObject. Default Binding Property Attribute Com Visible Attribute Class Interface Attribute. The following code example creates and initializes a CheckBox, gives it the appearance of a toggle button, sets AutoCheck to false, and adds it to a Form.

Remove :checked selector when binding event handlers and .map() along with .filter() can be used to get the selected values in an array.

var selectedValues;
var checkboxes = $('.mycheck:checkbox').change(function() {
  selectedValues = checkboxes.filter(':checked').map(function() {
    return $(this).val();
  }).get();

  console.log(selectedValues);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type='checkbox' class='mycheck' name='selected' value="something">
<input type='checkbox' class='mycheck' name='selected1' value="something1">
<input type='checkbox' class='mycheck' name='selected2' value="something2">

Call JavaScript function when CheckBox is checked or unchecked, Call JavaScript function when CheckBox is checked or unchecked how to call JavaScript function when an HTML CheckBox is checked (selected) or unchecked The CheckBox has been assigned a JavaScript OnClick event handler. Name. Required. Email. Required Invalid Email Address. Comment. I have a checkbox on a form which is unchecked by default as usual. now I want to perform two separated actions on checked and unchecked state of this checkbox. what is this in your function? – Popnoodles Sep 7 '15 at 11:55. We can do this using JavaScript, no need of jQuery. Just pass the changed element and let JavaScript handle it.

You can specify a array in global scope and use that to push and remove the values based on the checkbox checked and unchecked:

var value = [];
$('.mycheck').change(function() {
  var cbValue = $(this).val();
  if($(this).is(':checked')){
    value.push(cbValue);
  } else {
    value.splice(value.indexOf(cbValue), 1);
  } 
  console.log(value);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type='checkbox' class='mycheck' name='selected' value="something">
<input type='checkbox' class='mycheck' name='selected' value="something2">
<input type='checkbox' class='mycheck' name='selected' value="something3">
<input type='checkbox' class='mycheck' name='selected' value="something4">

How To Display Text when a Checkbox is Checked, function myFunction() { // Get the checkbox var checkBox = document.​getElementById("myCheck"); // Get the output text var text = document. The problem is that bar() needs to be called after the change() event. I can't call bar() inside the change() event. When user clicks, no problem. But I can't figure out how to call bar() directly from change() but when everything in change() is done. Is there a way to add some kind of callback on change()? I tried a few different syntaxes, but couldn't figure it out.

:checkbox Selector, As with other pseudo-class selectors (those that begin with a ":") it is recommended it with a tag name or some other selector; otherwise, the universal selector ("*") is implied. Because :checkbox is a jQuery extension and not part of the CSS Prevent the form from submitting. $( "form" ).submit(function​( event ) {. event. To start working with checkboxes we will create a form that contains a checkbox , in this example we will be building a form that takes a user name and has also a checkbox that the user should check if he thinks he is fluent in English , if not a prompt will appear showing the user a text that says you need to be fluent in English to apply for the job.

How to Check and uncheck all using jQuery and JavaScript, Create a List box and a checkbox for select or unselect all options in List. all if(​checked){ $('#sel_users option').each(function() { $(this).prop('selected' Select All<br/> <input type="checkbox" class='checkbox' name="languages" Check all checkbox Change event Home · About · Privacy Policy · Contact · Sitemap. The onselect event occurs after some text has been selected in an element. The onselect event is mostly used on <input type="text"> or <textarea> elements.

JavaScript and jQuery by Examples, One misspell character in variable or function name, may waste a lot of your time, <td><label><input type="checkbox" name="color" value="r">Red</label> JSFormValidation.js /* * Run init() after the page is loaded */ window.onload = init​; jQuery (a JavaScript Framework) provides elegant selectors and event  I need to call this function if a checkbox is checked instead of being triggered by onClick: onclick="toggle_colorbox(this);" How can I insert it into Calling a function if checkbox is checked instead of onClick - jQuery Forum

Comments
  • $('.mycheck:checkbox')....... remove :checked selector