Tim Tom questions

• Why is one ko.mapping.fromJS working and other one not?
• Gridview click on header for sorting triggering row command
• How do I implement inheritance in javascript?
• How do I change accordion header with plus and minus symbol?
• Task.WaitAll doesn't wait for child task?
• Client side validation for custom annotation Asp.Net MVC 4
• How do I globally handle onClose event of fancybox?
• How do I architect single page application using Knockout?
• What does "commit your changes or stash them" mean?
• Why is $root required here?

Tim Tom answers