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LibJS: Basic NaN support

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This patch adds js_nan() for constructing a NaN value. You can check
if a Value is NaN with Value::is_nan().
This commit is contained in:
Andreas Kling 2020-03-27 12:26:37 +01:00
parent 23c5323a70
commit 9a78b4af2c
3 changed files with 23 additions and 7 deletions
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9
Libraries/LibJS/Tests/NaN-basic.js Normal file
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@ -0,0 +1,9 @@
function assert(x) { if (!x) throw 1; }
try {
var nan = undefined + 1;
assert(nan + "" == "NaN");
console.log("PASS");
} catch (e) {
console.log("FAIL: " + e);
}