Select default value based on page URL

by Faisal Khan Janjua

HTML

http://url_to_contact_page/#option1
<br>
http://url_to_contact_page/#option2
<br>
http://url_to_contact_page/#option3
<br>

<select id="mySelect">
  <option>1</option>
  <option>2</option>
  <option>3</option>
</select>

<br>
https://stackoverflow.com/questions/28702607/set-selected-option-based-on-url-hash-with-javascript/28702642#28702642

JavaScript

window.addEventListener('hashchange', fn, false);
window.onload = fn; // fire on pageload
function fn() {
    document.getElementById('mySelect').value = window.location.hash.replace('#','');
}