Anything written after a double slash
// (single line comment) or
/ * and
In the following example, a is defined as a variable. Then, 5 values are assigned
Arithmetic operators (
+, -, *, /) are used to calculate values and assignment operators (
=, + =,% =) are used to assign values to variables.
You cannot use keywords reserved by the rules as identifiers or property names.
Varkeyword browser variable can be understood from the following example: