JavaScript

    Learning JavaScript from ChatGPT. TL;DR — Great, but Can’t Replace Expert… | by Eric Elliott | JavaScript Scene | Mar, 2023

    websitebuildersnowBy No Comments15 Mins Read


    TL;DR — Great, but Can’t Replace Expert Mentors, Yet!

    Actual Photo of ChatGPT Teaching Puppies to Code (Just Kidding it’s Midjourney)
    const constVar = 'constant';
    let letVar = 'let';
    var varVar = 'var';
    // Observe the behavior when you try to reassign each variable:
    constVar = 'newConstant';
    letVar = 'newLet';
    varVar = 'newVar';
    function add(a, b) {
    // Your code here
    }
    // Test your function with these inputs:
    console.log(add(5, 3)); // Expected output: 8
    console.log(add(-2, 10)); // Expected output: 8
    function add(a, b) {
    return a + b;
    }
    console.log(add(5, 3)); // Actual output: 8
    console.log(add(-2, 10)); // Actual output: 8
    function findMax(numbers) {
    // Your code here
    }
    // Test your function with these inputs:
    console.log(findMax([1, 5, 9, 3])); // Expected output: 9
    console.log(findMax([-2, -5, -1, -8])); // Expected output: -1
    function findMax(numbers) {
    return Math.max(…numbers);
    }
    // Test your function with these inputs:
    console.log(findMax([1, 5, 9, 3])); // Actual output: 9
    console.log(findMax([-2, -5, -1, -8])); // Actual output: -1
    function createPerson(name, age) {
    // Your code here
    }
    // Test your function with these inputs:
    console.log(createPerson('Alice', 30)); // Expected output: { name: 'Alice', age: 30 }
    console.log(createPerson('Bob', 42)); // Expected output: { name: 'Bob', age: 42 }
    function createPerson(name, age) {
    return {name, age};
    }
    // Test your function with these inputs:
    console.log(createPerson('Alice', 30)); // Actual output: { name: 'Alice', age: 30 }
    console.log(createPerson('Bob', 42)); // Actual output: { name: 'Bob', age: 42 }
    function wait(milliseconds) {
    // Your code here
    }
    // Test your function with these inputs:
    wait(1000).then(() => console.log('1 second has passed'));
    wait(2000).then(() => console.log('2 seconds have passed'));
    function wait(milliseconds) {
    return new Promise((resolve) => {
    setTimeout(() => { resolve(); }, milliseconds);
    });
    }
    // Test your function with these inputs:
    wait(1000).then(() => console.log('1 second has passed'));
    wait(2000).then(() => console.log('2 seconds have passed'));
    function sumOfSquares(numbers) {
    // Your code here
    }
    // Test your function with these inputs:
    console.log(sumOfSquares([1, 2, 3])); // Expected output: 14
    console.log(sumOfSquares([4, 5, 6])); // Expected output: 77
    function sumOfSquares(numbers) {
    return numbers.reduce((acc, num) => acc + num * num, 0);
    }
    // Test your function with these inputs:
    console.log(sumOfSquares([1, 2, 3])); // Actual output: 14
    console.log(sumOfSquares([4, 5, 6])); // Actual output: 77
    function double(x) {
    return x * 2;
    }
    function square(x) {
    return x * x;
    }
    function doubleAndSquare(x) {
    return square(double(x));
    }
    console.log(doubleAndSquare(2)); // Expected output: 16
    function addOne(x) {
    return x + 1;
    }
    function addOneAndSquare(x) {
    // Your code here
    }
    function addOneAndSquare(x) {
    return square(addOne(x));
    }
    // Test your function with these inputs:
    console.log(addOneAndSquare(2)); // Actual output: 9
    console.log(addOneAndSquare(4)); // Actual output: 25
    function compose(...fns) {
    return (x) => {
    return fns.reduceRight((acc, fn) => {
    return fn(acc);
    }, x);
    };
    }
    function pipe(...fns) {
    return (x) => {
    return fns.reduce((acc, fn) => {
    return fn(acc);
    }, x);
    };
    }
    const addOneAndSquare = compose(square, addOne);
    console.log(addOneAndSquare(2)); // Output: 9
    console.log(addOneAndSquare(4)); // Output: 25
    const addOneAndSquarePipe = pipe(addOne, square);
    console.log(addOneAndSquarePipe(2)); // Output: 9
    console.log(addOneAndSquarePipe(4)); // Output: 25
    const compose = (…fns) => x => fns.reduceRight((y, f) => f(y), x);
    const compose = (...fns) => (x) => fns.reduceRight((y, f) => f(y), x);
    const pipe = (...fns) => (x) => fns.reduce((y, f) => f(y), x);
    function withAuthentication(WrappedComponent) {
    return function (props) {
    if (props.isAuthenticated) {
    return <WrappedComponent {...props} />;
    } else {
    return <div>Please log in to access this component.</div>;
    }
    };
    }
    const DashboardWithAuth = compose(withAuthentication)(Dashboard);
    const ProfileWithAuth = compose(withAuthentication)(Profile);
    function withLayout(WrappedComponent) {
    return function (props) {
    return (
    <div className="layout">
    <Header />
    <WrappedComponent {...props} />
    <Footer />
    </div>
    );
    };
    }
    function withLogging(WrappedComponent) {
    return function (props) {
    console.log(`Rendering ${WrappedComponent.name} component`);
    return <WrappedComponent {...props} />;
    };
    }
    const withProviders = compose(withAuthentication, withLayout, withLogging);
    const DashboardWithProviders = withProviders(Dashboard);
    const ProfileWithProviders = withProviders(Profile);



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