38 packages found

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

published 7.0.0 5 years ago
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ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

published 1.3.2 2 years ago
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Test if a double-precision floating-point numeric value is NaN.

published 0.0.8 a year ago
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ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

published 1.0.0 a year ago
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Test if a single-precision floating-point numeric value is NaN.

published 0.0.8 a year ago
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Test if a value is an array-like object containing only NaN values.

published 0.0.8 a year ago
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This is a JavaScript utility. It returns `true` if the value is a string number written in fixed notation and in decimal base.

published 2.0.2 5 years ago
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Returns sensible integer value of a given variable. Unlike parseInt it will never return NaN and you can set a default value to be returned in case the variable is undefined! Hence you can write even cleaner code. So if it's supposed to be an integer, cas

published 1.1.3 6 months ago
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数据类型分类两类,基本类型和引用类型。

published 1.0.9 a year ago
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Simple type checker in JavaScript.

published 0.2.1 11 years ago
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Validates if a value is NaN.

published 1.0.3 8 years ago
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The lodash method `_.isNaN` exported as a module.

published 3.0.2 7 years ago
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Multiplies a number by zero. Useful for when you need to multiply a number by zero.

published 1.0.2 a year ago
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A JavaScript/Typescript library for fast type checking. Check if a given value is a string, number, object, ...

published 1.1.0 a year ago
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A very simple "typeof" detection

published 0.1.2-EOL 6 years ago
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ES6-compliant shim for Number.isNaN - the global isNaN returns false positives.

published 2.1.1 4 years ago
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Validates if a value is a NaN primitive.

published 1.0.0 8 years ago
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