Spaces around || (OR)
Spaces around + (Addition/contaction)
Spaces around - (Subtraction)
Spaces around * (Multiplication)
Spaces around / (Division)
Spaces around % (Modulus)
Spaces around = (Assignment)
Convert all == to ===
Spaces around > (Greater than)
Spaces around < (Less than)
Spaces around <= and >= (Less than or equal to; and greater than or equal to)
Spaces around === (Equality)
Spaces around !== (Inequality)
Spaces around ? and : of tenary operators
Space after , (Comma)
Put `"" +` in front of string contactions starting with a variable