JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" id='clear' value="Clear All"/>


<select id="filter_value_1" style="width:200px;" multiple>
  <option>A</option>
  <option>B</option>
  <option>C</option>
  <option>D</option>
  <option>E</option>
</select>

JavaScript

$(document).ready(function(){

	$("#clear").click(function(){
  	$("#filter_value_1 option:selected").removeAttr("selected");
  
  });
});