javascript - Selecting a option based on the value of its data attribute -


i want choose (aka jquery preselect) , set value based on data variable. list has 3 items having same values differing data-d.

suppose have variable selectvar="d" should change 2 item in list.

        <select id="select2">     <option data-id="mo" value="1" style="display: none;">1</option>     <option data-id="d" value="1" style="">one</option>     <option data-id="h" value="1" style="display: none;">o-ne</option>     <option data-id="mo" value="2" style="display: none;">2</option>     <option data-id="d" value="2" style="">two</option>     <option data-id="h" value="2" style="display: none;">t-wo</option>     <option data-id="mo" value="3" style="display: none;">3</option>     <option data-id="d" value="3" style="">three</option>     <option data-id="h" value="3" style="display: none;">t-hree</option>     </select>  val = 2 selectvar="d" $("#select2 option[data-id='d'][value='2']").prop("selected", true);

use below code , give id select.

$("#select2 option[data-id='" + selectvar + "']").prop("selected", true);

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