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ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.
The lodash method `_.isNaN` exported as a module.
ES6-compliant shim for Number.isNaN - the global isNaN returns false positives.
ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.
Standard built-in object isNaN
Test whether value is NaN
Test if a double-precision floating-point numeric value is NaN.
TypeScript definitions for lodash.isnan
Test if a value is NaN.
parseFloat(), parseInt(), String(), isNaN(), isFinite() in a node
Computes for each array element whether an element is NaN.
Check if a value is NaN. ```javascript const lolite = require("lolite.isnan") const assert = require("node:assert")
ES Math-related intrinsics and helpers, robustly cached.
ESLint’s official `table` formatter, extracted from ESLint 7
ESLint’s official `codeframe` formatter, extracted from ESLint 7
Validates if a value is NaN.
Validates if a value is a NaN primitive.
Check if a value is NaN.
👎 Don't `!isNaN(value)` 👎
Validates a deep structured JSON pattern