Values in NaN Javascript
Values can become NaN through a variety of means, which usually involve erroneous math calculations (such as 0/0), or as a result of type coercion, either implicit or explicit. A common example is when you run parseInt on a string that starts with an alphabetical character.
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Dec 6, 2023 · To tell if a value is NaN , use Number.isNaN() or isNaN() to most clearly determine whether a value is NaN — or, since NaN is the only value ...
Dec 29, 2023 · isNaN() is a function property of the global object. For number values, isNaN() tests if the number is the value NaN . When the argument to the ...
[JavaScript] - What is NaN and why is it used in - SheCodes
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NaN stands for "Not a Number" and is a value in JavaScript used to represent an undefined or unrepresentable value. NaN is the result of an operation that was ...
The isNaN() method returns true if a value is NaN. The isNaN() method converts the value to a number before testing it. See Also: The Number.isNaN() Method.
Apr 16, 2010 · NaN in JavaScript stands for "Not A Number", although its type is actually number. typeof(NaN) // "number". To check if a variable is of value ...
In JavaScript, NaN is a number that is not a legal number. The Global NaN property is the same as the Number.Nan property. See Also: The Global isNaN() ...
May 22, 2023 · In JavaScript, NaN stands for Not a Number. It represents a value that is not a valid number. It can be used to check whether a number ...
Jan 8, 2020 · NaN, denoting "Not A Number", is a special number in JavaScript created after a faulty operation on numbers.