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JavaScript Objects The Number Object- NaN - Javascript Objects
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Job SearchWhat is JavaScript Number – NaN?
Unquoted literal constant NaN represents Not-a-Number is a special value . Since NaN always compares unequal to any number, including NaN, it is normally used to indicate an error condition for a function which returns a valid number.
Note − Use the isNaN() global function to see if a value is an NaN value.
Syntax:
The syntax of NaN is −
var val = Number.NaN;
Example:
The following example shows how to use NaN.
Output:
Day of Month must be between 1 and 31.
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Javascript Objects Tutorial
- Javascript Number Object
- Javascript Boolean Object
- Javascript Strings Object
- Javascript Array
- Javascript Date Object
- Javascript Math Object
- Javascript Regexp Object
- Javascript Html Dom
- Javascript Objects The Number Object- Max Value
- Javascript Objects The Number Object- Minvalue
- JavaScript Objects The Number Object- NaN
- Javascript Objects The Number Object- Negative_infinity
- Javascript Objects The Number Object- Positive_infinity
- Javascript Objects The Number Object- Prototype
- Javascript Objects The Number Object- Constructor
- Javascript Objects The Number Object- Toexponential
- Javascript Objects The Number Object- Tofixed()
- Javascript Objects The Number Object- Valueof()
- Javascript Objects The Number Object- Tostring()
- Javascript Objects The Number Object- Toprecision()
- Javascript Objects The Number Object- Tolocalestring()
- Javascript Objects The Boolean Object- Constructor
- Javascript Objects The Boolean Object- Prototype
- Javascript Objects The Boolean Object- Tostring()
- Javascript Objects The Boolean Object- Tosource()
- Javascript Objects The Boolean Object- Valueof()
- Javascript Objects The Strings Object- Constructor
- Javascript Objects The Strings Object- Length
- Javascript Objects The Strings Object- Prototype
- Javascript Objects The Strings Object- Charat()
- Javascript Objects The Strings Object- Charcodeat()
- Javascript Objects The Strings Object- Concat()
- Javascript Objects The Strings Object- Indexof()
- Javascript Objects The Strings Object- Lastindexof()
- Javascript Objects The Strings Object- Localecompare()
- Javascript Objects The Strings Object- Match()
- Javascript Objects The Strings Object- Replace()
- Javascript Objects The Strings Object- Search()
- Javascript Objects The Strings Object- Slice()
- Javascript Objects The Strings Object- Split()
- Javascript Objects The Strings Object- Substr()
- Javascript Objects The Strings Object- Tolocalelowercase()
- Javascript Objects The Strings Object- Tolocaleuppercase()
- Javascript Objects The Strings Object- Tolowercase()
- Javascript Objects The Strings Object- Tostring()
- Javascript Objects The Strings Object- Touppercase()
- Javascript Objects The Strings Object-valueof ()
Javarscript Objects
