Cheat sheet page 2

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. . . . Operators . . . . . . . . . . . .Properties . . . . . . . . . . . . . . . . . . . . Methods . . . . . . . . . . . .
Arithmetic
+   =  ++ +=  -  -- -=  /  %		Math.E
Euler's constant and the base of natural logarithms (approximately 2.7183)		Math.abs (  a  ) 
the absolute value of a		Math.floor (  a  ) 
integer closest to and not greater than a
Assignment
=  += -= *= /= %= <<=
>>= >>>= &= ^= |=		Math.LN10
the natural logarithm of 10, (approximately 2.3026).		Math.acos (  a  ) 
arc cosine of a		Math.log (  a  ) 
log of a base e
String
+		Math.LN2
the natural logarithm of 2, (approximately 0.6931).		Math.asin (  a  ) 
arc sine of a		Math.max (  a , b  ) 
the maximum of a and b
Backslash
\' \" \\ \b \f \n \r \t		Math.LOG10E
the base 10 logarithm of E (approximately 0.4343)		Math.atan (  a  ) 
arc tangent of a		Math.min (  a , b  ) 
the minimum of a and b
Bitwise
&   |  ^ (XOR)  ~  << >> >>>		Math.LOG2E
the base 2 logarithm of E (approximately 1.4427).		Math.atan2 (  a , b  ) 
arc tangent of a/b		Math.pow (  a , b  ) 
a to the power b
Comparison
==   !=   ===   !==   >   >=   <   <=  		Math.PI
the ratio of the circumference of a circle to its diameter (approximately 3.1416)		Math.ceil (  a  ) 
integer closest to a and not less than a		Math.random( )
pseudo random number in the range 0 to 1
Logical
&&   ||   !  		Math.SQRT1_2
the value of 1 divided by the square root of 2 (approximately 0.7071).		Math.cos (  a  ) 
cosine of a		Math.round (  a  ) 
integer closest to a
Math.SQRT2
the square root of 2 (approximately 1.4142)		Math.exp (  a  ) 
exp(a)= e^a		Math.sin (  a  ) 
sine of a
Special
(a==b ? "is" : "ain't")		for (var i=0 , j=0; i<3; i++ , j++)Math.tan (  a  ) 
tangent of a		Math.sqrt (  a  ) 
square root of a