On the properties and methods of the JS built-in object math (recommended) _ Basics

Property:

The function reference of the object established by constructor

Prototype attributes and methods that can be added to an object

E Euler constant, base of natural logarithm (approximately equal to 2.718)

The natural logarithm of the LN2 2 (approximately equal to 0.693)

The natural logarithm of the LN10 10 (approximately equal to 2.302)

LOG2E the logarithm of the 2-base E. (approximately equal to 1.442)

LOG10E the logarithm of the 10-base E (about 0.434)

Value of Pi∏ (approximately equal to 3.14159)

Sqrt1_2 1/2 (0.5) square root (i.e. l divided by 2 square root, approximately equal to o.707)

SQRT2 2 square root (approximately equal to 1.414)

Method:

ABS (x) returns the absolute value of a number

ACOs (x) returns the inverse cosine of a number

ASIN (x) returns the inverse chord value of a number

Atan (x) returns the tangent value at-PI/2 and PI/2

ATAN2 (y,x) return (x,y) at the angle between-pi and PI

Ceil (x) returns the largest integer after X rounding

COS (x) returns the cosine of a number

EXP (x) returns E^X value

Floor (x) returns the smallest integer after x rounding

Log (x) returns the natural logarithm of the base E

Max (X,y) returns the larger number between x and Y

MIN (x,y) returns the smaller number between x and Y

POW (x,y) returns the value of Y^x

Random () returns a random function that is between 0 and 1

Round (x) rounded after rounding

Sin (x) returns the sine value of a number

SQRT (x) returns the square root of a number

Tan (x) returns the tangent of an angle

Tosource () Displays the source code of the object

ValueOf () returns the original value of the mathematical object

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