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

Question 4

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

Answer 4

submit

Question 5

What does the event.preventDefault() method do?

Answer 5

Prevents default functionality from happening.

Question 6

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

Answer 6

The default functionality of an element happens.

Question 7

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

Answer 7

The .elements() property. For example input.elements;

Question 8

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

Answer 8

The HTMLFormElement.

Question 9

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

Answer 9

You’ll have to deal with your code breaking and spend more time searching for the bugs.

Question 10

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

Answer 10

It helps you notice bugs quickly and you can get to fixing it before it becomes a huge problem.