Question

Which function among the following lets to register a function to be invoked repeatedly after a certain time?

(a) setTimeout()

(b) setTotaltime()

(c) setInterval()

(d) settime()

The question was asked in class test.

This intriguing question comes from The Document Object Model in chapter Document Object Model and Event Handling in Javascript of JavaScript

Answer 1

The correct choice is (c) setInterval()

For explanation I would say: setTimeout() and setInterval() allow you to register a function to be invoked once or repeatedly after a specified amount of time has elapsed. Both these function are used to do time manipulation in javascript.