JavaScript Number object JavaScript Array object

JavaScript Number Object Number object property

Properties	Description
Constructor	Returns a reference to the number function that created this object.
Max_value	The maximum number that can be represented.
Min_value	The smallest number that can be represented.
NaN	Non-numeric value.
Negative_infinity	Negative infinity, which returns this value when overflow.
Positive_infinity	Positive infinity, which returns this value when overflow.
Prototype	gives you the ability to add properties and methods to an object.

Number Object method

Method	Description
Tostring	Converts a number to a string, using the specified cardinality.
toLocaleString	Converts a number to a string, using the local number format order.
ToFixed	Converts a number to a string, the result of which has a specified number of digits after the decimal point.
Toexponential	Converts the value of an object to an exponential count method.
Toprecision	Formats the number as the specified length.
ValueOf	Returns the base numeric value of a number object.

Array Object Properties

Properties	Description
Constructor	Returns a reference to the array function that created this object.
Length	Sets or returns the number of elements in the array.
Prototype	gives you the ability to add properties and methods to an object.

Array Object method

Method	Description
Concat ()	Joins two or more arrays and returns the result.
Join ()	Put all the elements of the array into a string. element is delimited by the specified delimiter.
Pop ()	Delete and return the last element of the array
Push ()	Adds one or more elements to the end of the array and returns the new length.
Reverse ()	Reverses the order of the elements in the array.
Shift ()	Delete and return the first element of the array
Slice ()	Returns the selected element from an existing array
Sort ()	Sorting elements of an array
Splice ()	Deletes the element and adds a new element to the array.
Tosource ()	Returns the source code for the object.
ToString ()	Converts the array to a string and returns the result.
toLocaleString ()	Converts the array to a local array and returns the result.
Unshift ()	Adds one or more elements to the beginning of the array and returns the new length.
ValueOf ()	Returns the original value of an array object

JavaScript Number object JavaScript Array object