Fixes Number.is* signatures to accept any input.
These functions are incredibly useful for testing to see if a value is a number that meets certain constraints as they return false for _any_ input that doesn't satisfy the constraints explicitly. Tested in NodeJS and Firefox and both of them work properly when you give a range of values. MDN also indicates that they will return false for any non-number input.
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lib/lib.es2015.core.d.ts
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lib/lib.es2015.core.d.ts
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@ -222,29 +222,29 @@ interface NumberConstructor {
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* Returns true if passed value is finite.
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* Unlike the global isFinite, Number.isFinite doesn't forcibly convert the parameter to a
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* number. Only finite values of the type number, result in true.
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* @param number A numeric value.
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* @param value The value you want to test.
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*/
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isFinite(number: number): boolean;
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isFinite(value: any): boolean;
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/**
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* Returns true if the value passed is an integer, false otherwise.
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* @param number A numeric value.
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* @param value The value you want to test.
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*/
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isInteger(number: number): boolean;
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isInteger(value: any): boolean;
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/**
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* Returns a Boolean value that indicates whether a value is the reserved value NaN (not a
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* number). Unlike the global isNaN(), Number.isNaN() doesn't forcefully convert the parameter
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* to a number. Only values of the type number, that are also NaN, result in true.
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* @param number A numeric value.
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* @param value The value you want to test.
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*/
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isNaN(number: number): boolean;
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isNaN(number: any): boolean;
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/**
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* Returns true if the value passed is a safe integer.
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* @param number A numeric value.
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* @param value The value you want to test
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*/
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isSafeInteger(number: number): boolean;
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isSafeInteger(value: any): boolean;
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/**
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* The value of the largest integer n such that n and n + 1 are both exactly representable as
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