ES6: Rest Parameter

es6-rest-parameter.js

// Rest Parameter
const restParameter = (firstname, lastname, ...adress) => {
    console.log('firstname: ', firstname);
    console.log('lastname: ', lastname);
    console.log('adress: ', adress);
}
restParameter('John', 'Doe', 'Example Street 1', '12345', 'Exampletown');
// outputs:
// firstname: John
// lastname: Doe
// adress: ["Example Street 1", "12345", "Exampletown"]


// Rest Parameter + Spread Operator
const restParameterWithSpread = (firstname, lastname, ...adress) => {
    console.log('firstname: ', firstname);
    console.log('lastname: ', lastname);
    console.log('adress: ', ...adress);
}
restParameterWithSpread('John', 'Doe', 'Example Street 1', '12345', 'Exampletown');
// outputs:
// firstname: John
// lastname: Doe
// adress: Example Street 1 12345 Exampletown