Jquery select option removed

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<select id = "type" name="type">
    <option value=""></option>
</select>

1. Remove option in select

以 id

$("#type").html("");

$("#type").find("option").remove();

$("#type").empty();

以name

$("select[name='type']").html("");

$("select[name='type']").remove();

$("select[name='type']").empty();

2. Remove all but the first option except under select

  $("select[name='type'] option:gt(0)").remove();