Knockout.js Interview Questions and Answers

Knockout is a standalone JavaScript implementation of the Model-View-View Model pattern with templates. The underlying principles are therefore:

  • A clear separation between domain data, view components and data to be displayed
  • The presence of a clearly defined layer of specialized code to manage the relationships between the view components
  • The latter leverages the native event management features of the JavaScript language. These features streamline and simplify the specification of complex relationships between view components, which in turn make the display more responsive and the user experience richer.

KnockoutJS was developed and is maintained as an open source project by Steve Sanderson, a Microsoft employee on July 5, 2010. As the author said, “It continues exactly as-is, and will evolve in whatever direction I and its user community wish to take it”, and stressed, “This isn’t a Microsoft product. KO is an abbreviation used for Knockout JS. KO supports all mainstream browsers – IE 6+, Firefox 3.5+, Chrome, Opera, Safari (desktop/mobile).

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