JSFiddle - React, Tailwind, and code Playground
HTML
<select id="foo">
<option>un</option>
</select>
JavaScript
$('#foo').empty().css('font-family', "Courier");
var i=1000;
for(i=5; i<10000; i*=10){
var $entry = $('<option/>');
t=i.toString();
j=5-t.length;
while(j-- >= 0){
t+=" "
}
console.log(t+'-')
$entry.val(i);
$entry.html(t + "- bla bla bla");
$('#foo').append($entry);
}