JavaScript Math Object

Math Object Properties

• Pi π
• E-Readme Constants
• LN2 returns the natural logarithm of 2
• LN10 returns the natural logarithm of 10
• LOG2E returns the logarithm of base E with 2
• LOG10E returns the logarithm of base E with 10
• SQRT2 returns the square root of 2
• Sqrt1_2 returns the reciprocal of the square root of 2

Math Object method

• ABS (x) absolute value
• Random () Number

• Rounding on Ceil (x)
• Round (x) rounding
• Floor (x) rounding down

• Max (x, y) returns the maximum value
• Min (x, y) returns the minimum value
• Pow (x, y) returns the Y-square of X

• Log (x) returns the natural logarithm of the number, if required to base 1024 logarithm of 2, you need to use Math.log (1024x768)/Math.log (2)
• EXP (x) returns the exponent of E
• sqrt (x) The square root of the number of returns

　　

• Trigonometric function
• Sin (x)
• ASIN (x)
• COS (x)
• ACOs (x)
• Tan (x)
• Atan (x)
• ATAN2 (y,x) returns the angle from the x-axis to the point (X, y) (between-PI/2 and PI/2 radians)

• Tosource () returns the source code of the object (not commonly used, not understood)
• ValueOf () returns the original value of the Math object (not commonly used, can not be understood)

JavaScript Math Object