[英]Clear select2 multiple when specified value is selected
我嘗試在select2多重選擇中實現以下方案。
這是我的html:
<select multiple="multiple" name="transfer_posting[pap_facility_feature_ids][]" id="transfer_posting_pap_facility_feature_ids"><option value="No Required Features">No Required Features</option>
<option value="13">Pool</option>
<option value="15">Sauna</option>
<option value="16">Salon</option>
<option value="17">Massage</option>
</select>
和javascript:
$('#transfer_posting_pap_facility_feature_ids').select2({
placeholder: 'Select Feature(s)',
allowClear: true
});
$('#transfer_posting_pap_facility_feature_ids').on("select2:selecting", function(e) {
var selectedFeature = e.params.args.data.text
console.log(selectedFeature);
if (selectedFeature === 'No Required Features') {
$('#transfer_posting_pap_facility_feature_ids').val(null).trigger("change");
$('#transfer_posting_pap_facility_feature_ids').select2({
placeholder: 'No Required Features'
});
}
});
這是js小提琴的鏈接: http : //jsfiddle.net/mxqc76e8/3/
如何更新我的代碼以使此方案起作用?
能否請您檢查更新的小提琴代碼。 更新小提琴
增加了一些條件,代碼進行了一些更改
希望對您有幫助
$('#transfer_posting_pap_facility_feature_ids').select2({
placeholder: 'Select Feature(s)',
allowClear: true
});
$('#transfer_posting_pap_facility_feature_ids').on("select2:selecting", function(e) {
if ($("#transfer_posting_pap_facility_feature_ids option[value='No Required Features']:selected").length > 0){
alert('No Required Feture is selected');
exit;
}
var selectedFeature = e.params.args.data.text
if (selectedFeature =='No Required Features') {
$('#transfer_posting_pap_facility_feature_ids').select2({
placeholder: 'No Required Features'
});
$('li.select2-selection__choice').remove();
$('#transfer_posting_pap_facility_feature_ids').val('');
}
});
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