jQuery 1.9.1, HTML, CSS, JavaScript
ExtJS 4.1.1, HTML, CSS, JavaScript
ExtJS 4.2.0, HTML, CSS, JavaScript
sending a JSON request to the jsFiddle backend. Later on parse and display the data.
http://stackoverflow.com/questions/16078544/export-to-csv-using-jquery-and-html
No-Library (pure JS), HTML, CSS, JavaScript