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>
16 lines
268 B
JavaScript
16 lines
268 B
JavaScript
var a = [1, 2, 3];
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var v = a.shift();
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console.log(v);
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console.log(a.join(','));
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console.log(a.length);
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var b = [3, 4];
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var len = b.unshift(1, 2);
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console.log(len);
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console.log(b.join(','));
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var c = [];
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console.log(c.shift());
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c.unshift(1);
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console.log(c.join(','));
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