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18 lines
341 B
JavaScript
18 lines
341 B
JavaScript
var obj = { undefined: 1, NaN: 2, Infinity: 3, "-Infinity": 4, null: 5 };
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console.log(
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obj[void 0],
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obj[undefined],
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obj["undefined"],
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obj[0 / 0],
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obj[NaN],
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obj["NaN"],
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obj[1 / 0],
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obj[Infinity],
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obj["Infinity"],
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obj[-1 / 0],
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obj[-Infinity],
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obj["-Infinity"],
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obj[null],
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obj["null"]
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);
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