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🔰module pattern

JS ⟩ module ⟩ module pattern

was used as a module system before the introduction of native JavaScript modules, implemented using IIFE.

closure as object

replit：module pattern

// ⭐️ object returned by IIFE
//     ⭡
//    ╭ ╮  ╭─────────── ⭐️ IIFE ────────────╮
const foo = (function() {
    
    // internal function
    function sayHi(name) {
        console.log(`Hey, my name is ${name}`);
    }
    
    // ⭐️ exposing the variables
    return { sayHi };
    
})();

// ⭐️ accessing exposed methods
foo.sayHi("Bar");

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Last updated 3 years ago

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