JavaScript Please Write a function that logs hello world if there is no argument provided. Otherwise,...

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JavaScript Please Write a function that logs hello world if there is no argument provided. Otherwise,...

JavaScript Please

Write a function that logs hello world if there is no argument provided. Otherwise, it should log the argument provided (string) ex. greeting('JavaScript') => hello JavaScript.

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Answer 1

Answer #1

function greeting(s) {
    if (s) {
        console.log('hello ' + s);
    } else {
        console.log('hello world');
    }
}

greeting();
greeting('JavaScript');

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Answer 2

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