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How to hide optgroup/option elements?

Posted by: admin November 30, 2017 Leave a comment


Is there a way to hide option or optgroup HTML elements? I’ve tried calling hide() in jQuery, and also using regular Javascript to set style.display='none'.

It works in Firefox but not in any other browsers. Actually removing them from the DOM does work, so perhaps there’s a way to save each DOM element when it’s removed, and reinsert them in the same place?

My HTML is like this:

<select name="propsearch[area]" id="propsearch_area">
    <option value="0">- Any -</option>
    <optgroup label="Bristol">
        <option  value="Hotwells">Hotwells</option>
        <option  value="Montpelier">Montpelier</option>
    <optgroup label="Cardiff">
        <option  value="Heath">Heath</option>
        <option  value="Roath">Roath</option>
    <optgroup label="Exeter">
        <option  value="Pennsylvania Road">Pennsylvania Road</option>
        <option  value="Lower North Street">Lower North Street</option>
    <optgroup label="Swansea">
        <option  value="Brynmill">Brynmill</option>
        <option  value="Uplands">Uplands</option>

I figured that this solution works fine for me:

Make another select e.g.

$("#footer_canvas").after('<select id="parkingLot"></select>');

then hide it


When you want to ‘hide’ some optgroup, just ‘park’ it in this hidden select.

$('#VehicleVehicleCategoryId optgroup[label="kategorie L"]').appendTo("#parkingLot");

Same way you can make it visible.
This is just the snippets of my solution, that works fine for me.