在选择选项下拉列表中触发特定值的 select 上的 Parsley 错误

Question

I am using parsley.js, I have native dropdown I have a certain list with a specific value to it, I want to trigger parsley error when value="noValue" (select) is selected.

<select required="true">
    <option value="NoValue">Select</option>
    <option value="a">A</option>
    <option value="b">B</option>
    <option value="c">C</option>
    <option value="d">D</option>
</select>

so when the user selects " select (value="novalue")" parsley should trigger an error if required="true" and show an error message and append parsley-error class on the select/parsley-success if any other value is selected.

Thanks in advance

Answer 1

Have a look at custom validators - they'll help to achieve that behaviour.

Or...if your option values are really single letters, you can use a regex- pattern such as \w for any single word-character. It will fail for " NoValue ".