jQuery 1.9.1, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
From: http://stackoverflow.com/questions/15125920/how-to-get-distinct-values-from-an-array-of-objects-in-javascript#35092559
jQuery 3.1.1, HTML, CSS, JavaScript
http://stackoverflow.com/questions/42641771/how-do-you-get-distinct-values-from-datatables-and-sum-the-total-specific-field/
http://stackoverflow.com/questions/31856961/datatable-inline-editing-without-editor-plugin
jQuery 2.2.4, HTML, CSS, JavaScript