A.) include; A digit (e.g. 1) orA.) include; A digit (e.g. 1) or

A.)
Values
– they are what comprise of any data that can be manipulated by a computer program.
Examples include;

A digit (e.g. 1) or A letter (e.g. Z) or a
string (e.g. Sam Smith).

We Will Write a Custom Essay Specifically
For You For Only \$13.90/page!

order now

B.)    Numbers –  This are arithmetic values used in
counting or making calculations. In JavaScript the numbers can be written
including their decimals. For example:                                                              var x = 2.16; // With decimal
var y = 18; // without decimal

C.)    Strings – In JavaScript, a
string refers to any characters written inside quotes.

E.g.
var y = “Sam Smith”;

D.)
Boolean
Values –    They are used represent
either one of two values in JavaScript. For example

True/false

Yes/No

E.)    Reserve words -This are words
that you cannot use as identifiers in JavaScript. Examples;

Boolean, catch, break.

F.)
Unary
operators – In JavaScript unary operators can be used for converting a
variable to a number.eg
var z = “5”;
var y = + z;

G.)
Automatic
type Conversion – Here JavaScript
may encounter an incorrect data type, and thus tries converting it to the right
one. E.g.  10 + null // returns
10 because null is converted becoming 0. –

H.)
Variables
– In JavaScript Variables are used to store values.  E.g.                                                                 var u = 10;
var v = 11;
var z = u + v;

I.)
Expressions – In JavaScript,
an
expression is any valid set of variables, operators, and expressions that
evaluates to a single value.  E.g.
x=8.  The expression assigns “x” the
value 8.

J.)
Keywords
– they are words in JavaScript that you cannot use to name labels or variables.
E.g.  double, float, Boolean.