Question

What is the purpose of the method getUserData(key)? (a) Returns the associated object (b) Gets the user data (c) Returns the user data (d) Gets the user key This question was posed to me during an interview. This interesting question is from Node Operations in JavaScript in section Document Object Model and Event Handling in Javascript of JavaScript Select the correct answer from above options JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

Answer 1

Right choice is (a) Returns the associated object The best explanation: The method getUserData(key) returns the object associated to a key on a this node. The object must first have been set to this node by calling setUserData with the same key.