JSFiddle - React, Tailwind, and code Playground

by synz izynz

HTML

<select id="selectchange" name="id">
        <option class="1" value="2">Show by default</option>
        <option class="2" value="2">Hidden</option>
    </select>
    
    <div class='showthistext' >show me</div>

JavaScript

$("#selectchange").on("change",function(){
	var optClass 	= $("option:selected", this).attr("class");
  var showthis 	= $(".showthistext");
  
  if(optClass == 1){
  	showthis.show();
  }else{
  	showthis.hide();
  }
})