20 lines
489 B
JavaScript
20 lines
489 B
JavaScript
Array.prototype[1] = 5;
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function arrayEq(a, b) {
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if (a.length !== b.length)
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throw new Error([a, "\n\n", b]);
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for (let i = 0; i < a.length; i++) {
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if (a[i] !== b[i])
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throw new Error([a, "\n\n", b]);
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}
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}
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let obj = {};
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arrayEq([1,2,3].concat(4), [1,2,3,4]);
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arrayEq([1,2,3].concat(1.34), [1,2,3,1.34]);
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arrayEq([1.35,2,3].concat(1.34), [1.35,2,3,1.34]);
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arrayEq([1.35,2,3].concat(obj), [1.35,2,3,obj]);
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arrayEq([1,2,3].concat(obj), [1,2,3,obj]);
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