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並前往https://surveyjs.answerdesk.io/ticket/details/t3958/implemented-clear-option-on-select2-control

Implemented "Clear" option on Select2 control | surveyjs Support

Looking at the select2 documentation, it seems that setting the "allowClear" and "placeholder" properties would allow any selected item to ...

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查詢 「Select2 allowClear」的人也找了：

  1. Select2
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