JScript Operators (Windows Scripting - JScript)

 

The following table lists JScript operators.

Operators

Description	Language Element
Adds the value of an expression to the value of a variable and assigns the result to the variable.	Addition Assignment Operator (+=)
Sums two numbers or concatenates two strings.	Addition Operator (+)
Assigns a value to a variable.	Assignment Operator (=)
Performs a bitwise AND on the value of a variable and the value of an expression and assigns the result to the variable.	Bitwise AND Assignment Operator (&=)
Performs a bitwise AND on two expressions.	Bitwise AND Operator (&)
Shifts the bits of an expression to the left.	Bitwise Left Shift Operator (<<)
Performs a bitwise NOT (negation) on an expression.	Bitwise NOT Operator (~)
Performs a bitwise OR on the value of a variable and the value of an expression and assigns the result to the variable.	Bitwise OR Assignment Operator (|=)
Performs a bitwise OR on two expressions.	Bitwise OR Operator (|)
Shifts the bits of an expression to the right, maintaining sign.	Bitwise Right Shift Operator (>>)
Performs a bitwise exclusive OR on a variable and an expression and assigns the result to the variable.	Bitwise XOR Assignment Operator (^=)
Performs a bitwise exclusive OR on two expressions.	Bitwise XOR Operator (^)
Causes two expressions to be executed sequentially.	Comma Operator (,)
Returns a Boolean value indicating the result of the comparison.	Comparison Operators
List of compound assignment operators.	Compound Assignment Operators
Executes one of two expressions depending on a condition.	Conditional (ternary) Operator (?:)
Decrements a variable by one.	Decrement Operator (--)
Deletes a property from an object, or removes an element from an array.	delete Operator
Divides the value of a variable by the value of an expression and assigns the result to the variable.	Division Assignment Operator (/=)
Divides two numbers and returns a numeric result.	Division Operator (/)
Tests for the existence of a property in an object.	in Operator
Compares two expressions to determine if they are equal.	Equality Operator (==)
Compares two expressions to determine if one is greater than the other.	Greater than Operator (>)
Compares two expressions to determine if one is greater than or equal to the other.	Greater than or equal to Operator (>=)
Compares two expressions to determine if they are equal in value and of the same data type.	Identity Operator (===)
Increments a variable by one.	Increment Operator (++)
Compares two expressions to determine if they are unequal.	Inequality Operator (!=)
Returns a Boolean value that indicates whether or not an object is an instance of a particular class.	instanceof Operator
Left shifts the value of a variable by the number of bits specified in the value of an expression and assigns the result to the variable.	Left Shift Assignment Operator (<<=)
Compares two expressions to determine if one is less than the other.	Less than Operator (<)
Compares two expressions to determine if one is less than or equal to the other.	Less than or equal to Operator (<=)
Performs a logical conjunction on two expressions.	Logical AND Operator (&&)
Performs logical negation on an expression.	Logical NOT Operator (!)
Performs a logical disjunction on two expressions.	Logical OR Operator (||)
Divides the value of a variable by the value of an expression, and assigns the remainder to the variable.	Modulus Assignment Operator (%=)
Divides two numbers and returns the remainder.	Modulus Operator (%)
Multiplies the value of a variable by the value of an expression and assigns the result to the variable.	Multiplication Assignment Operator (*=)
Multiplies two numbers.	Multiplication Operator (*)
Creates a new object.	new Operator
Compares two expressions to determine that they are not equal in value or of the same data type.	Nonidentity Operator (!==)
Right shifts the value of a variable by the number of bits specified in the value of an expression, maintaining the sign, and assigns the result to the variable.	Right Shift Assignment Operator (>>=)
Subtracts the value of an expression from the value of a variable and assigns the result to the variable.	Subtraction Assignment Operator (-=)
Performs subtraction of two expressions.	Subtraction Operator (-)
Returns a string that identifies the data type of an expression.	typeof Operator
Indicates the negative value of a numeric expression.	Unary Negation Operator (-)
Right shifts the value of a variable by the number of bits specified in the value of an expression, without maintaining sign, and assigns the result to the variable.	Unsigned Right Shift Assignment Operator (>>>=)
Performs an unsigned right shift of the bits in an expression.	Unsigned Right Shift Operator (>>>)
Prevents an expression from returning a value.	void Operator

See Also

Operator Precedence (Windows Scripting - JScript)