JS Forms

Question 1

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

Answer 1

focus

Question 2

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

Answer 2

blur

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 behavior of event

ex/ prevents refresh of page and prevents values from being submitted to URL

Question 6

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

Answer 6

allows default behavior to occur

ex/
form values are added to end of URL

Question 7

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

Answer 7

nodeList = HTMLFORMELEMENT.elements

Question 8

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

Answer 8

.elements.ELEMENT NAME.value

. = get
= = assign

Question 9

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

Answer 9

Don’t know where it is broken

Question 10

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

Answer 10

Can test code as you write