Sets the value of a variable to the specified value.
=
Increases the value of the variable by the specified value, or appends the specified value to the existing value.
+=
Decreases the value of a variable by the specified value.
-=
Multiplies the value of a variable by the specified value, or appends the specified value to the existing value.
*=
Divides the value of a variable by the specified value.
/=
Divides the value of a variable by the specified value and then assigns the remainder (modulus) to the variable.
%=
Increases the value of a variable, assignable property, or array element by 1.
++
Decreases the value of a variable, assignable property, or array element by 1.
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