Jquery Select2 Set Value

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jquery select2 set value
<select id="lang" >
<option value="1">php</option>
<option value="2">asp</option>
<option value="3">java</option>
</select>

<script>
$("#lang").select2().select2('val','1');
</script>
select2 tags set value jquery
$('#mySelect').select2({
data: ['one','two'],
tags: true
});
$('#mySelect').val(['one','two']).trigger('change')
get select2 selected value jquery
$('#id :selected').text();
select2 replace options
var options = [];
$.each(dataReturn, function (i, obj) {
//console.log(i);
//console.log(obj);
options.push({
text: obj.NickName,
id: obj.NickName
});
})
$("#BeneType").empty().select2({
data: options
});
select2 dropdown with option to add new item
$('#select2')
.select2()
.on('select2:open', () => {
$(".select2-results:not(:has(a))").append('<a href="#" style="padding: 6px;height: 20px;display: inline-table;">Create new item</a>');
})

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