ES6 - Default function parameters

js-gist-05.js

/**
 * ES6 - Default function parameters.
 *
 * Define default value for empty function parameters.
 **/
function sayHello(name, isPirate = false) {
    if (isPirate) {
        console.log(name + ' says: Arrr! This be good grog!'); // Manny Bones says: Arrr! This be good grog!
    } else {
        console.log(name + ' says: Hi, how are you?'); // P. Nutt says: Hi, how are you?
    }
}

sayHello('Manny Bones', true);
sayHello('P. Nutt');