Higher order functions and closures example in Javascript

First with “normal” functions: //closures and higher order function function salute(salutation) { return function(firstName) { return function(lastName) { console.log(`hi ${salutation} ${firstName} ${lastName}`) } } } salute('Mr.')('John')('Wick') //output hi Mr. John Wick The shorter variant with arrow functions: const saluteArrowFunction = (salutation) => (firstName) => (lastName) => console.log(`hi ${salutation} ${firstName} ${lastName}`); saluteArrowFunction ('Mr.')('J...

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