JSFiddle - React, Tailwind, and code Playground

HTML

<select id='animalList' multiple="multiple"></select>

JavaScript

var animals = [
 {name : "animal1", code : 1},
  {name : "animal2", code : 2},
   {name : "animal3", code : 3}
 ]
 

var select = document.getElementById("animalList");  

for(var i=0;i<=animals.length;i++)
{
  select.options[i] = new Option(animals[i].name,animals[i].code);  
}