JavaScript-forms

Question 1

What event is fired when a user places their cursor in a form control?

Answer 1

Focus event.

Question 2

What event is fired when a user’s cursor leaves a form control?

Answer 2

Blur event

Question 3

What event is fired as a user changes the value of a form control?

Answer 3

Input event

Question 4

What event is fired when a user clicks the “submit” button within a ?

Answer 4

Submit event

Question 5

What does the event.preventDefault() method do?

Answer 5

This method tells the browser that if the event does not get explicitly handled, its default action should not be taken as it normally would be.

Question 6

What does submitting a form without event.preventDefault() do?

Answer 6

Does not reload the page as it normally would

Question 7

What property of a form element object contains all of the form’s controls

Answer 7

Elements collection

Question 8

What property of a form control object gets and sets its value?

Answer 8

Value property

Question 9

What is one risk of writing a lot of code without checking to see if it works so far?

Answer 9

You risk making a mistake that will be difficult to trace later on

Question 10

What is an advantage of having your console open when writing a JavaScript program?

Answer 10

To see how you’re doing. See your errors.