Euler's constant and the base of natural logarithms, approximately 2.
Euler's constant and the base of natural logarithms, approximately 2.718.
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Natural logarithm of 10, approximately 2.
Natural logarithm of 10, approximately 2.303.
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Natural logarithm of 2, approximately 0.
Natural logarithm of 2, approximately 0.693.
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Base 10 logarithm of E, approximately 0.
Base 10 logarithm of E, approximately 0.434.
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Base 2 logarithm of E, approximately 1.
Base 2 logarithm of E, approximately 1.443.
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Ratio of the circumference of a circle to its diameter, approximately 3.
Ratio of the circumference of a circle to its diameter, approximately 3.14159.
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Square root of 1/2; equivalently, 1 over the square root of 2, approximately 0.
Square root of 1/2; equivalently, 1 over the square root of 2, approximately 0.707.
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Square root of 2, approximately 1.
Square root of 2, approximately 1.414.
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Returns the absolute value of a number.
Returns the absolute value of a number.
Passing a non-numeric string or undefined/empty variable returns NaN. Passing null returns 0.
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The Math.
The Math.acos() function returns the arccosine (in radians) of a number.
The acos method returns a numeric value between 0 and pi radians for x between -1 and 1. If the value of number is outside this range, it returns NaN.
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The Math.
The Math.asin() function returns the arcsine (in radians) of a number.
The asin method returns a numeric value between -pi/2 and pi/2 radians for x between -1 and 1. If the value of number is outside this range, it returns NaN.
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The Math.
The Math.atan() function returns the arctangent (in radians) of a number.
The atan method returns a numeric value between -pi/2 and pi/2 radians.
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The Math.
The Math.atan2() function returns the arctangent of the quotient of its arguments.
The atan2 method returns a numeric value between -pi and pi representing the angle theta of an (x,y) point. This is the counterclockwise angle, measured in radians, between the positive X axis, and the point (x,y). Note that the arguments to this function pass the y-coordinate first and the x-coordinate second.
atan2 is passed separate x and y arguments, and atan is passed the ratio of those two arguments.
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The Math.
The Math.ceil() function returns the smallest integer greater than or equal to a number.
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The Math.
The Math.cos() function returns the cosine of a number.
The cos method returns a numeric value between -1 and 1, which represents the cosine of the angle.
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The Math.
The Math.exp() function returns E^x, where x is the argument, and E is Euler's constant, the base of the natural logarithms.
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The Math.
The Math.floor() function returns the largest integer less than or equal to a number.
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Every object descended from Object inherits the hasOwnProperty method.
Every object descended from Object inherits the hasOwnProperty method. This method can be used to determine whether an object has the specified property as a direct property of that object; unlike the in operator, this method does not check down the object's prototype chain.
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The isPrototypeOf mehtod allows you to check whether or not an object exists within another object's prototype chain.
The isPrototypeOf mehtod allows you to check whether or not an object exists within another object's prototype chain.
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The Math.
The Math.log() function returns the natural logarithm (base E) of a number.
If the value of number is negative, the return value is always NaN.
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The Math.
The Math.max() function returns the largest of zero or more numbers.
If no arguments are given, the result is - Infinity.
If at least one of arguments cannot be converted to a number, the result is NaN.
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The Math.
The Math.min() function returns the smallest of zero or more numbers.
If no arguments are given, the result is Infinity.
If at least one of arguments cannot be converted to a number, the result is NaN.
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The Math.
The Math.pow() function returns the base to the exponent Power, that is, base^^exponent.
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Every object has a propertyIsEnumerable method.
Every object has a propertyIsEnumerable method. This method can determine whether the specified property in an object can be enumerated by a for...in loop, with the exception of properties inherited through the prototype chain. If the object does not have the specified property, this method returns false.
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The Math.
The Math.random() function returns a floating-point, pseudo-random number in the range [0, 1) that is, from 0 (inclusive) up to but not including 1 (exclusive), which you can then scale to your desired range.
The random number generator is seeded from the current time, as in Java.
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The Math.
The Math.round() function returns the value of a number rounded to the nearest integer.
If the fractional portion of number is .5 or greater, the argument is rounded to the next higher integer. If the fractional portion of number is less than .5, the argument is rounded to the next lower integer.
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The Math.
The Math.sin() function returns the sine of a number.
The sin method returns a numeric value between -1 and 1, which represents the sine of the angle given in radians.
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The Math.
The Math.sqrt() function returns the square root (x\sqrt{x}) of a number.
If the value of number is negative, sqrt returns NaN.
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The Math.
The Math.tan() function returns the tangent of a number.
The tan method returns a numeric value that represents the tangent of the angle.
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Math is a built-in object that has properties and methods for mathematical constants and functions. Not a function object.
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