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Task: Enhance your HTML with JavaScript

Even though JavaScript is becoming more of a general purpose language usable in many different environments, it was originally intended to be used to add interactivity to HTML pages.

This task guides you through the details of embedding or including JavaScript in your HTML and the different approaches to doing that without impacting performance.

System.InvalidOperationException: The model item passed into the dictionary is of type 'LearningLine.Interface.ICourse[]', but this dictionary requires a model item of type 'LearningLine.Mongo.Course[]'. at System.Web.Mvc.ViewDataDictionary`1.SetModel(Object value) at System.Web.Mvc.ViewDataDictionary..ctor(ViewDataDictionary dictionary) at System.Web.Mvc.WebViewPage`1.SetViewData(ViewDataDictionary viewData) at RazorGenerator.Mvc.PrecompiledMvcView.Render(ViewContext viewContext, TextWriter writer) at System.Web.Mvc.HtmlHelper.RenderPartialInternal(String partialViewName, ViewDataDictionary viewData, Object model, TextWriter writer, ViewEngineCollection viewEngineCollection) at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData) at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model) at ASP._Views_Tasks_ShowPublic_cshtml.Execute()

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