Which of the following is not a JavaScript primitive data type?
Boolean
String
Decimal
Number
Given the string 'Hello world!', how would you find out how many characters are in the string?
'Hello world!'.length
'Hello world!'.len
'Hello world!'.long
length('Hello world!')
Given the string 'Hello world!', which index is the letter 'e' found at?
0
1
2
3
What does the special character` \n` do?
Creates a new line in the string.
Makes it so our output skips the letter n.
Allows us to include quotes inside a string.
Which of the following are valid operators in JavaScript?
%
+
/
**
