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17 lines
432 B
JavaScript
17 lines
432 B
JavaScript
function assert(x) { if (!x) throw 1; }
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try {
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var nan = undefined + 1;
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assert(nan + "" == "NaN");
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assert(NaN + "" == "NaN");
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assert(nan !== nan);
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assert(NaN !== NaN);
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assert(isNaN(nan) === true);
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assert(isNaN(NaN) === true);
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assert(isNaN(0) === false);
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assert(isNaN(undefined) === true);
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assert(isNaN(null) === false);
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console.log("PASS");
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} catch (e) {
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console.log("FAIL: " + e);
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}
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