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>
13 lines
435 B
JavaScript
13 lines
435 B
JavaScript
console.log([1, 2, 3, 4].reduce(function(a, b) { return a + b; }));
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console.log([1, 2, 3].reduce(function(a, b) { return a + b; }, 10));
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console.log([42].reduce(function(a, b) { return a + b; }));
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console.log([].reduce(function(a, b) { return a + b; }, 0));
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console.log([1, 2, 3].reduceRight(function(a, b) { return a + ',' + b; }));
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try {
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[].reduce(function(a, b) { return a + b; });
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} catch (e) {
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console.log(e.message);
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}
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