Show/Hide div when checkbox selected

javascript jquery html checkbox show-hide

72,693

Solution 1

You are missing jQuery in your head you must include it.

<script src="http://code.jquery.com/jquery-1.9.1.js"></script>

Your code works DEMO

Update according to new info

$(document).ready(function () {
    $('#checkbox1').change(function () {
        if (!this.checked) 
        //  ^
           $('#autoUpdate').fadeIn('slow');
        else 
            $('#autoUpdate').fadeOut('slow');
    });
});

DEMO

You can also just use .fadeToggle()

$(document).ready(function () {
    $('#checkbox1').change(function () {
      $('#autoUpdate').fadeToggle();
    });
});

Solution 2

first in head include jquery

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script type="text/javascript">
    $(document).ready(function(){
    $('#checkbox1').change(function(){
    if($(this).is(":checked"))
    $('#autoUpdate').fadeIn('slow');
    else
    $('#autoUpdate').fadeOut('slow');

    });
    });
</script>

see demo

reference :checked and is()

72,693

Author by

user2890036

Updated on October 19, 2020

Comments

user2890036 over 3 years
I need to make additional content appear when a user selects a checkbox. I have the following code:
```
<!DOCTYPE html>
<html>
<head>
<title>Checkbox</title>
<script type="text/javascript">


$(document).ready(function(){
$('#checkbox1').change(function(){
if(this.checked)
$('#autoUpdate').fadeIn('slow');
else
$('#autoUpdate').fadeOut('slow');

});
});

</script>
</head>
<body>
Add another director <input type="checkbox" id="checkbox1"/>
<div id="autoUpdate" class="autoUpdate">
content
</div>
</body>
</html>
```
Would really appreciate some help, good knowledge of HTML5, CSS3 but very basic JavaScript/jQuery.
- andyb over 10 years
  
  Are you including the jQuery library on that page? I can't see something like <script type="text/javascript" src='//code.jquery.com/jquery-1.9.1.js'></script> in the example code.
- webduvet over 10 years
  
  And what is your problem exactly?
- user2890036 over 10 years
  
  included the library, simply not working? the content isnt hiding when the checkbox is selected
- Anton over 10 years
  
  @user2890036 You want it to hide when it's selected? Then you have to do !this.checked
- user2890036 over 10 years
  
  solved now sorry for confusion. Solved by @Anton easily enough can't have been that misleading. simple code fix but as I stated - I have little Javascript knowledge.
Anton over 10 years

You need to wrap this with jQuery $() so $(this).is(':checked')
user2890036 over 10 years

Thanks for answer - it now works other than i would like it to be hidden to start with, any ideas how i would go about this. thanks again.
Anton over 10 years

you can use css for that, #autoUpdate{display:none} @user2890036 Check this fiddle jsfiddle.net/Alfie/3WEVr/8
user2890036 over 10 years

Thanks! all working as required.