Question

Which method receives the return value of setTimeout() to cancel future invocations?

(a) clearTimeout()

(b) clearInterval()

(c) clearSchedule()

(d) cancelInvocation()

I got this question in my homework.

This interesting question is from The Document Object Model in section Document Object Model and Event Handling in Javascript of JavaScript

Answer 1

Correct choice is (a) clearTimeout()

Explanation: setTimeout() returns a value that can be passed to clearTimeout() to cancel the execution of the scheduled function. The ID value returned by setTimeout() is used as the parameter for the clearTimeout() method.