Created
October 21, 2018 11:54
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| console.log(isNaN(NaN)); // true | |
| console.log(isNaN(null)); // false | |
| console.log(isNaN(undefined)); // true | |
| console.log(isNaN(Infinity)); // false | |
| console.log(Number.isNaN(NaN)); // true | |
| console.log(Number.isNaN(null)); // false | |
| console.log(Number.isNaN(undefined)); // false | |
| console.log(Number.isNaN(Infinity)); // false |
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