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Home » Quiz » JavaScript Quiz

Which early browser first implemented JavaScript?

Difficulty level
  • Internet Explorer
  • Mosaic
  • Netscape Navigator
  • Opera
JavaScript was first implemented in Netscape Navigator. Brendan Eich developed it in 1995 while working at Netscape Communications. This move by Netscape added a significant interactive element to the web and contributed to the rapid adoption of JavaScript.
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JavaScript Quiz
Quiz
If no case matches in a switch statement and there is no default case, the control is passed to the _________.
You are developing a system where you have a base class "User" and two derived classes "Admin" and "Guest". If you want to add a method that is only applicable for "Admin" and not for "Guest", where should you add that method to adhere to the Liskov Substitution Principle?

Related Quiz

  • The method getElementById selects an element using its ______.
  • What is the impact on performance when using a switch statement versus multiple if-else statements for numerous conditions?
  • The method _______ can be used to add new elements to the end of an array.
  • The concept of creating a single function or method that can operate on multiple types of objects is known as _________.
  • Which method removes the last element from an array and returns that element?

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