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randycasburn/optional_arguments

Created February 4, 2021 05:43
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optional_arguments
function addTogether(...args) {
if (args.length > 2 || args.some(p => p.constructor !== Number)) return;
return args.length === 2 ? args[0] + args[1] : (n) => addTogether(args[0], n);
}
console.log(addTogether(2, 3));
console.log(addTogether(2)(3));
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