javascript-timers

Question 1

Besides adding an event listener callback function to an element or the document, what is one way to delay the execution of a JavaScript function until some point in the future?

Answer 1

setTimeout() method since it sets a timer which executes a function or specified piece of code once the timer expires.

Question 2

How can you set up a function to be called repeatedly without using a loop?

Answer 2

setInterval() method

Question 3

What is the default time delay if you omit the delay parameter from setTimeout() or setInterval()?

Answer 3

If this parameter is omitted, a value of 0 is used, meaning execute “immediately”, or more accurately, the next event cycle.

Question 4

What do setTimeout() and setInterval() return?

Answer 4

It returns an interval ID which uniquely identifies the interval