JavaScript arithmetic operator (a)

Arithmetic operation marks

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What is the expression

Will, arithmetic symbol data connection of the same type (e.g., constants, variables, functions, etc.) according to certain rules together, a meaningful expression called formula

Classification operator

1. Arithmetic operation marks
2. Logical Operators
3. Assignment operator
4. Comparison operators
5. Ternary operator

Arithmetic Operators

• +: Plus
• -:Less
• *: Multiply
• /:except
• %: Remainder

Increment and decrement

    1, increments

        ++ a and a ++ are on a increment operation

        the difference:

        ++ a return to the incremented value of a
        value of a return to a ++ first original value, and then return after the increment

    2, decreasing empathy