JSFiddle - React, Tailwind, and code Playground

HTML

<select name="teste" id="teste"></select>

<div class="resultado"></div>

JavaScript

var iniciaEm = 0;
            var terminaEm = 20;
            var variacao = 0.1;
            var s = "";
            var str = "";
            for(var i =iniciaEm; i<=terminaEm; i=i+variacao){
            	 str += i+"<br />"; 
                s += "<option value=\""+i+"%\">"+i+"%</option>";
            }
            
            $("#teste").append(s);
            $(".resultado").append(str);