Answers for "how to merge two keys in javascript"

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merge 2 dictionaries with same keys javascript

const target = { a: [1], b: [2] };
const source = { a: [2], c: [5] };

const returnedTarget = Object.assign(target, source);

for(var date in source)
target[date] = [...target[date] || [],...source[date]]

console.log(target);

Posted by: Guest on September-13-2021

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