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javascript for 🐜's, a tiny runtime with big ambitions antjs.org
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1234567891011121314151617181920212223242526function assert(condition, message) { if (!condition) throw new Error(message);}
assert( [2201970, 40309, 6267400].join(',') === '2201970,40309,6267400', `expected decimal join output, got ${[2201970, 40309, 6267400].join(',')}`);
assert( [999999, 1000000, 1000001].join(',') === '999999,1000000,1000001', `expected plain integers around one million, got ${[999999, 1000000, 1000001].join(',')}`);
assert( [2201970].toString() === '2201970', `expected Array#toString to use decimal formatting, got ${[2201970].toString()}`);
assert( [1.5, 2201970].join(',') === '1.5,2201970', `expected mixed numeric join output, got ${[1.5, 2201970].join(',')}`);
console.log('array join number stringification test passed');