使用javascript在多选下拉列表中动态填充所选选项

Question

I need a multi-select drop-down list with a checkbox which will allow a user to select multiple options without pressing command/ctrl buttons please help on this

<select id='testSelect2' name="test" multiple>

<option value='1'> sunday</option >
<option value='2'> monday</option>
<option value='3'> tuesday</option>
<option value='4'> wensday</option>
<option value='5'> thrusday</option>
<option value='6'>friday </option>
<option value='7'>saturday </option>
</select>

enter image description here

Answer 1

If you are using bootstrap, you can use this plug in http://davidstutz.de/bootstrap-multiselect/

If you want to do this with vanilla javascript, you may try to handle click event on options and achieve this behaviour manually.