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How can I show or hide div with radio button and jQuery, and process on page load?

Posted on 2016-09-07
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Last Modified: 2016-09-07
I am using the below code to show or hide a div with jQuery. It works fine on the first visit, but if a person hits the back button and visits the page while the "ShowIt" radio button is selected, it will be hidden, because it's hidden by default. How can i make it show if the ShowIt radio is selected when the page loads? Thank you!

	$(document).ready(function(){
		$('#myDiv').hide();
	    $('input[type="radio"]').click(function(){
	        if($(this).attr("value")=="HideIt"){
	            $('#myDiv').hide('fast');
	        }
	        if($(this).attr("value")=="ShowIt"){
	            $('#myDiv').show('fast');
	        }	
	    });
	});

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Question by:earwig75
  • 2
4 Comments
 
LVL 42

Expert Comment

by:zephyr_hex (Megan)
ID: 41788316
You can look for the checked status of the radio and show the div if it's checked:

if ($('#ShowIt').is(':checked')) {
  $('#myDiv').show();
}

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Here is a Fiddle Demo.
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LVL 54

Accepted Solution

by:
Julian Hansen earned 500 total points
ID: 41788382
Another option
if ($('input:checked').val() == 'ShowIt') {
  $('#myDiv').show('fast');
}

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Here is the complete code - I am assuming you have given your radio's a name attribute to group them - I have used that in the code to target the click as well
<script>
$(function() {
  if ($('input:checked').val() == 'ShowIt') {
    $('#myDiv').show('fast');
  }
  
  $('input[name="toggle"]').click(function() {
  if ($(this).val() == 'ShowIt') {
    $('#myDiv').show();
  }
  else {
    $('#myDiv').hide();
  }
  });
});
</script>

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Working sample here

EDIT:
HTML used for above sample
    <input type="radio" name="toggle" value="ShowIt" /> Show <input type="radio" name="toggle" value="HideIt" /> Hide <br/>
    <div id="myDiv" style="display: none" >This is my div</div>

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Author Closing Comment

by:earwig75
ID: 41788446
Ignore my last comment, this works perfectly, thank you.
0
 
LVL 54

Expert Comment

by:Julian Hansen
ID: 41788452
You are welcome.
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