Guys help me fill this data shown

Question

12 number//
"some text"//_____
true //______

Answer 1

string
boolean or bool

Answer 2

12 is a number
"some text" is a string
true is a boolean value

In addition,
new Object() is an object
new Object is an object
{} is an (empty) object
[1,2,3] is an object with integer keys
function() {} is a function
new String() is an object (even though it sounds like a string)

Answer 3

12//number
"some text"//string
true//boolean