JSFiddle - React, Tailwind, and code Playground
HTML
<select name="datas" id="datas"></select>
JavaScript
var data = [{'1':'Name'}, {'2': 'Age'}, {'3': 'Gender'}];
var $select = $('#datas');
$.each(data, function(i, val){
$select.append($('<option />', { value: (i+1), text: val[i+1] }));
});