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This article mainly introduces the relevant knowledge of "JavaScript operator and Operand instance Analysis". The editor shows you the operation process through the actual case. The operation method is simple, fast and practical. I hope this article "JavaScript operator and Operand instance Analysis" can help you solve the problem.

In arithmetic operations, numbers are called operands.

The operation (performed between two operands) is defined by the operator.

Operand operator Operand

7 + 8

Addition

Addition operator (+) plus:

Var x = 7

Var y = 8

Var z = x + y

Subtraction

The subtraction operator (-) subtracts.

Var x = 7

Var y = 8

Var z = x-y

Multiplication

The multiplication operator (*) multiplier.

Var x = 7

Var y = 8

Var z = x * y

Division

Division operator (/) divisor.

Var x = 7

Var y = 2

Var z = x / y

Coefficient

The coefficient operator (%) returns the remainder of division.

Var x = 7

Var y = 2

Var z = x% y

Note: in arithmetic, the division of two integers produces quotient and remainder.

Note: in mathematics, the result of modular operations is the remainder of arithmetic division.

Increment

The increment operator (+) increments the value.

Var x = 7

Xerox +

Var z = x

Decreasing

The decrement operator (- -) decrements the value.

Var x = 7

Xmuri-

Var z = x

Power

Take the power operator (*) to raise the first Operand to the power of the second Operand.

Example

Var x = 5

Var z = x * * 2; / / the result is 25

The result of x * * y is the same as that of Math.pow (XMagol y):

Example

Var x = 5

Var z = Math.pow (xPower2); / / the result is 25

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