Hide iOS Keyboard From http://uihacker.blogspot.de/2011/10/javascript-hide-ios-soft-keyboard.html

hide-ios-keyboard.js

var hideKeyboard = function() {
 document.activeElement.blur();
 var inputs = document.querySelectorAll('input');
 for(var i=0; i < inputs.length; i++) {
  inputs[i].blur();
 }
};