JSFiddle - React, Tailwind, and code Playground

by heera

HTML

<select id="sel"></select>

JavaScript

var obj = {
    selected: [ "value1", "value2"],
    unselected: []
}

function setSelect(elem, obj)
{
    for(var o in obj)
    {
        if(obj[o] instanceof Array && obj[o].length)
        {
            $.each(obj[o], function(key, value) {   
                elem.append($("<option></option>")
                .attr("value",value)
                .text(value)); 
            });
        }
    }
}

var elem=$('#sel');            
setSelect(elem, obj);