5bdbc87dfb
Wire arrays into the prototype chain (Array.prototype → Object.prototype), add the Array global with isArray(), and implement callback-based methods (map, forEach, filter, find, findIndex, some, every, reduce, reduceRight, sort) plus simple methods (includes, lastIndexOf, reverse, shift, unshift). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
8 lines
245 B
JavaScript
8 lines
245 B
JavaScript
console.log(Array.isArray([]));
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console.log(Array.isArray([1, 2, 3]));
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console.log(Array.isArray({}));
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console.log(Array.isArray("hello"));
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console.log(Array.isArray(42));
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console.log(Array.isArray(null));
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console.log(Array.isArray(undefined));
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