June 1999
Intermediate to advanced
540 pages
21h 39m
English
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Name
Math — a placeholder for mathematical functions and constants
Availability
Core JavaScript 1.0; ECMA-262
Synopsis
Math.constantMath.function()
Constants
- Math.E
The mathematical constant e.
- Math.LN10
The mathematical constant log e 10.
- Math.LN2
The mathematical constant log e 2.
- Math.LOG10E
The mathematical constant log 10 e.
- Math.LOG2E
The mathematical constant log 2 e.
- Math.PI
The mathematical constant π.
- Math.SQRT1_2
The mathematical constant 1/2.
- Math.SQRT2
The mathematical constant 2.
Static Functions
- Math.abs(x)
Compute an absolute value.
- Math.acos(x)
Compute an arc cosine.
- Math.asin(x)
Compute an arc sine.
- Math.atan(x)
Compute an arc tangent.
- Math.atan2(x, y)
Compute the angle from the X axis to a point.
- Math.ceil(x)
Round up a number.
- Math.cos(x)
Compute a cosine.
- Math.exp(x)
Compute e x .
- Math.floor(x)
Round down a number.
- Math.log(x)
Compute a natural logarithm.
- Math.max(a, b)
Return the larger of two values.
- Math.min(a, b)
Return the smaller of two values.
- Math.pow(x, y)
Compute x y .
- Math.random()
Return a pseudo-random number. JavaScript 1.1; ECMA-262.
- Math.round(x)
Round to the nearest integer.
- Math.sin(x)
Compute a sine.
- Math.sqrt(x)
Compute a square root.
- Math.tan(x)
Compute a tangent.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.