JSFiddle - React, Tailwind, and code Playground

HTML

<select id="monday" name="monday">
<option value="7">
  Mon 1/7/2013 (Week 02)
</option><option value="14">
  Mon 1/14/2013 (Week 03)
</option>
// etc...
</select>

<div id='mondaydate'>Mon 1/7/2013 (Week 02)</div> | <div id='tuesdaydate'>Tue 1/8/2013 (Week 02)</div> | <div id='wednesdaydate'>Wed 1/9/2013 (Week 02)</div>

JavaScript

$("#monday").click(function(){
    var sel = document.getElementById("monday");
    var text = sel.options[sel.selectedIndex].text;
    var mon=new Date(text);
    console.log(mon);
    document.getElementById("mondaydate").innerHTML = mon.setDate(mon.getDate()+0);
});