JSFiddle - React, Tailwind, and code Playground
by electronoob
HTML
<select id="servers" name="servers"></select>
JavaScript
var servers = {amsterdam: 'Enhanced Teams',frankfurt: 'Zombie Team',london: 'Enhanced Teams',paris: 'Rainbow FFA',quebec: 'Experimental Team',atlanta: 'Experimental Team',chicago: 'Experimental Team',dallas: 'Free For All',losangeles: 'Teams',miami: 'Hardcore Free For All',newjersey: 'Enhanced Teams',seattle: 'Experimental Team',siliconvalley: 'Zombie Team',sydney: 'Zombie Team',tokyo: '[Arenas] Hunger Games',atlantabeta: '[Arenas] Experimental Hunger Games',londonbeta: '[Arenas] Hunger Games',siliconvalleybeta: '[Arenas] Hunger Games',sydneybeta: '[Arenas] Hunger Games'}
Object.keys(servers).forEach(function(val,index,arr){
var option = document.createElement('option');
option.text = String(val).replace('.iomods.com','').toUpperCase() + ' - ' + servers[val];
option.value = val;
document.getElementById('servers').add (option,-1);
});