javascript tutorial - [Solved-5 Solutions] How to check a radio button with jQuery ? - javascript - java script - javascript array
Problem:
We try to check a radio button with jQuery. Here's my code:
<form>
<div id='type'>
<input type='radio' id='radio_1' name='type' value='1' />
<input type='radio' id='radio_2' name='type' value='2' />
<input type='radio' id='radio_3' name='type' value='3' />
</div>
</form>
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And the JavaScript:
jQuery("#radio_1").attr('checked', true);
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Doesn't work:
jQuery("input[value='1']").attr('checked', true);
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Doesn't work:
jQuery('input:radio[name="type"]').filter('[value="1"]').attr('checked', true);
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Doesn't work: Do we have another idea? What am WE missing?
Solution 1:
$("#radio_1").prop("checked", true)
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For versions of jQuery prior to 1.6, use:
$("#radio_1").attr('checked', 'checked');
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Solution 2:
Try this. In this example, I'm targeting it with its input name and value
$("input[name=background][value='some value']").prop("checked",true);
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Solution 3:
One more function prop() that is added in jQuery 1.6, that serves the same purpose.
$("#radio_1").prop("checked", true);
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Solution 4:
Short and easy to read option:
$("#radio_1").is(":checked")
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Solution 5:
Try this. To check Radio button using Value use this.
$('input[name=type][value=2]').attr('checked', true);
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or
$('input[name=type][value=2]').attr('checked', 'checked');
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or
$('input[name=type][value=2]').prop('checked', 'checked');
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To check Radio button using ID use this.
$('#radio_1').attr('checked','checked');
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or
$('#radio_1').prop('checked','checked');