JavaScript Properties Index

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Índice Referencial


arguments:  Um objeto do tipo array que corresponde aos argumentos passados para a função.

arity : Specifies the number of arguments expected by the function.


callee: Specifies the function body of the currently executing function.

caller : Specifies the name of the function that invoked the currently executing function.

className: The fully qualified name of a Java class in a package other than netscape, java, or sun that is available to JavaScript.

constructor: Specifies the function that creates an object's prototype.


E: Napier's constant and the base of natural logarithms, e, approximately 2.718.


global: Whether to test the regular expression against all possible matches in a string, or only against the first.


ignoreCase: Whether to ignore case while attempting a match in a string.

Infinity: A numeric value representing infinity.

input: For an array created by a regular expression match, reflects the original string against which the regular expression was matched.


lastIndex: The index at which to start the next match.

length: Specifies the number of arguments/elements in an array/string or passed to a function.

  • length - Array Object property.
  • arguments.length - Function Object arguments local variable property.
  • length - Function Object property.
  • length - JavaArray Object property.
  • length - String Object property.

LN2: Natural logarithm of 2, approximately 0.693.

LN10: Natural logarithm of 10, approximately 2.302.

LOG2E: Base 2 logarithm of E, approximately 1.442.

LOG10E: Base 10 logarithm of E, approximately 0.434.


MAX_VALUE: The largest representable number.

MIN_VALUE: The smallest representable number.

multiline: Whether or not to search in strings across multiple lines.


NaN: A value representing Not-A-Number.

  • NaN - Top-Level property.
  • NaN - Number Object property.

NEGATIVE_INFINITY: Special value representing negative infinity; returned on overflow.


PI: Ratio of the circumference of a circle of its diameter, approximately 3.14159.

POSITIVE_INFINITY: Special value representing infinity; returned on overflow.

prototype: Allows the addition of properties to all objects or a specific object.


source: The text of the pattern.

SQRT1_2: Square root of 1/2; equivalently, 1 over the square root of 2, approximately 0.707.

SQRT2: Square root of 2, approximately 1.414.


undefined: The value undefined.

See also

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