What languages do I need to know if I want to work with Kendo UI from Telerik?

If I want to work with Kendo UI from Telerik, what languages do I need to know beside ( HTML5, CSS3, JavaScript, C#)?

E.g. Jquery, Json, Ruby on rails, others?

Solution

According to the http://www.kendoui.com/faq/faq.aspx "Kendo UI is a pure JavaScript framework" and "Kendo UI can be used with (or without) any server-side technology... Kendo UI only requires jQuery." So you must know JavaScript and jQuery and you may know HTML5, CSS and some sort of server technology (ASP.NET, PHP, etc.)

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