How to do Everything in Javascript (Pure JS)

Mobile user-agent detection

var isMobile = {
  Android: function() {
    return navigator.userAgent.match(/Android/i);
  },
  BlackBerry: function() {
    return navigator.userAgent.match(/BlackBerry/i);
  },
  iOS: function() {
    return navigator.userAgent.match(/iPhone|iPad|iPod/i);
  },
  Opera: function() {
    return navigator.userAgent.match(/Opera Mini/i);
  },
  Windows: function() {
    return navigator.userAgent.match(/IEMobile/i);
  },
  any: function() {
  return (isMobile.Android() 
    || isMobile.BlackBerry() 
    || isMobile.iOS() 
    || isMobile.Opera() 
    || isMobile.Windows());
  }
};

if (isMobile.Android()) {
  document.location.href = "y";
} else if(isMobile.iOS()) {
  document.location.href = "x";
} 

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jQuery UI Datepicker Reset Date

$(document).ready(
  function () {
    $(.datepicker).datepicker({
    showOn: 'focus', showButtonPanel: true,
    closeText: 'Clear', // Text to show for close button
    onClose: function () {
      var event = arguments.callee.caller.caller.arguments[0]; // If Clear gets clicked, then really clear it
      if ($(event.delegateTarget).hasClass('ui-datepicker-close')) {
        $(this).val('');
      }
    }
  });
});

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Convert object to string

Use JSON.stringify() function:

var obj = new Date();
console.log(JSON.stringify(obj)); 

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DataTables Editor jQuery UI Datepicker Issue

• When 2 datepickers are used, it will jump to first datepicker when the second datepicker's date is selected. Make sure that datepickers aren't used as the first field.

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Problem: DataTable - Cannot read property 'style' of undefined jquery.dataTables.js

Make sure that HTML number table columns matches the number of 'mData' definition during data table initialization