Broken JavaScript-powered Buttons

Fix the query selections attached to these buttons so that they complete the specified actions.

This button should change the text color of h2 and h1 according to the textColor array

This button should change the body background color according to the BGColor array.

This button should make the h1 font-size bigger with each click, according to the headerSizes array.

This button should alert the user - "Don't Touch This Button!"

Append this text with the above input value:

This button should change the text color of all span elements.