1. How can we grab all of the h2 elements from a webpage?

a- document.getElementsByClassName("h2")

b- document.getElementsByTagName("h2")

c- document.querySelector("

")

d- document.getElementsByTagName("

")

e- document.querySelector("h2")

2. When using "for...in" to iterate through the properties in an object, what value(s) are passed into the block in each iteration?

a-the value

b- the key

c-both key and value

3.Which of the following is the best choice for declaring a counter variable (e.g., to use in a loop)?

a- const

b- var

c- let

4. What is the correct way to link a CSS file to HTML?

a-

b.

c.

d.