JavaScript Basics (method of math)

Math Method Math: Object data type;

math: {} is a key-value pair under window; The property is named Math, and the property value is an object

var obj = {a:1};console.log (OBJ.A); Console.log (window. Math);

1. Math.Abs (): Take absolute value;

Math.Abs ( -1.2)

2. Math.floor (): Rounding down 3. Math.ceil (): Rounding up 4. Math.max (): Take maximum value

Math.max (12,7,89,100,56,3)

5.math.min (): Takes a set number of the minimum value of 6. Math.random () take random number, range of values [0,1] 7.math.round (): Rounding Round rounding

take 60-90 of the random integer Math.Round (math.random () * (90-60) +60)

8. Take a random integer between m-n

Math.Round (Math.random () * (n-m) +m)

9.math.pow: Take power to the square

Math.pow (2,3)

10.MATH.SQRT (): Open square;

math.sqrt (+)

JavaScript Basics (method of math)