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>
6 lines
218 B
JavaScript
6 lines
218 B
JavaScript
console.log([1, 2, 3, 4].find(x => x > 2));
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console.log([1, 2, 3].find(x => x > 10));
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console.log([].find(x => true));
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console.log([10, 20, 30].findIndex(x => x === 20));
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console.log([1, 2, 3].findIndex(x => x > 10));
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