Using core jQuery, how do you remove all the options of a select box, then add one option and select it?
My select box is the following.
<Select id="mySelect" size="9"> </Select>
EDIT: The following code was helpful with chaining. However, (in Internet Explorer) .val('whatever')
did not select the option that was added. (I did use the same 'value' in both .append
and .val
.)
$('#mySelect').find('option').remove().end() .append('<option value="whatever">text</option>').val('whatever');
EDIT: Trying to get it to mimic this code, I use the following code whenever the page/form is reset. This select box is populated by a set of radio buttons. .focus()
was closer, but the option did not appear selected like it does with .selected= "true"
. Nothing is wrong with my existing code - I am just trying to learn jQuery.
var mySelect = document.getElementById('mySelect'); mySelect.options.length = 0; mySelect.options[0] = new Option ("Foo (only choice)", "Foo"); mySelect.options[0].selected="true";
EDIT: selected answer was close to what I needed. This worked for me:
$('#mySelect').children().remove().end() .append('<option selected value="whatever">text</option>') ;
But both answers led me to my final solution..
To remove all options from a select list using jQuery, the simplest way is to use the empty() method.
Explanation: If we want to remove all items from dropdown except the first item then we can use $('#ddlItems option:not(:first)'). remove(); Here we have excluded first item from being deleted. If we want to remove all items from dropdown except the last item then we can use $('#ddlItems option:not(:last)').
The option to be removed is selected by getting the select box. The value to be removed is specified on the value selector (value='optionValue') on the select box. The remove() method is then used to remove this selected option.
$('#mySelect') .find('option') .remove() .end() .append('<option value="whatever">text</option>') .val('whatever') ;
$('#mySelect') .empty() .append('<option selected="selected" value="whatever">text</option>') ;
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