Truth check collection

JavaScript, Object, Logic, Array · Oct 22, 2020

Checks if the predicate function is truthy for all elements of a collection.

  • Use Array.prototype.every() to check if each passed object has the specified property and if it returns a truthy value.
const truthCheckCollection = (collection, pre) =>
  collection.every(obj => obj[pre]);
    { user: 'Tinky-Winky', sex: 'male' },
    { user: 'Dipsy', sex: 'male' },
); // true

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