select2 clear options
Remove the selected options :
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$('#mySelect2').val(null).trigger('change');
============================================
Completly remove the select2 initialization :
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$('#payment_method').html('').select2({data: [{id: '', text: ''}]});select option value jquery
$("select.country").change(function(){
var selectedCountry = $(this).children("option:selected").val();
alert("You have selected the country - " + selectedCountry);
});select2 add option
// Set the value, creating a new option if necessary
if ($('#mySelect2').find("option[value='" + data.id + "']").length) {
$('#mySelect2').val(data.id).trigger('change');
} else {
// Create a DOM Option and pre-select by default
var newOption = new Option(data.text, data.id, true, true);
// Append it to the select
$('#mySelect2').append(newOption).trigger('change');
}jquery select2 multiple select all
$("#checkbox").click(function(){
if($("#checkbox").is(':checked') ){
$("select > option").prop("selected","selected");
}else{
$("select > option").removeAttr("selected");
}
});Copyright © 2021 Codeinu
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