<div id="notifydaydiv" name="notifydaydiv" style="display:none; padding-left:50px">
<input name="notifyday" type="checkbox" value="wed" /> Wednesday <br />
<input name="notifyday" type="checkbox" value="thu" /> Thursday <br />
<span style="color:red; font-size:7pt;">Recommended</span><br />
<input name="notifyday" type="checkbox" value="fri" checked="checked"/> Friday
<div id="day_err"></div>
<script>
[ set which checkbox is checked based on the value attr ]
</script>
</div>
You can find and check it using the attribute-equals selector , like this:
$(":checkbox[value='wed']").attr('checked', true);
You can also use name
in there if needed, like this:
$(":checkbox[name='notifyday'][value='wed']").attr('checked', true);
$(":checkbox[value='wed']").attr('checked', 'checked');
有关更多信息,请参见JQuery API 。
$(document).ready(function(){
$(":checkbox[value='wed']").attr('checked', 'checked');
});
Make sure that the page is loaded before you try and check the checkbox.
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