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JavaScript Callback Functions in JavaScript Introduction to Callback Functions Creating an Anonymous Callback Function

call back

log(() => console.log("Hello World!"))

functionRunner(log);

app.js
log(() => console.log("Hello World!"))


functionRunner(log);
index.html
<!DOCTYPE html>
<html lang="en">
    <head>
        <title></title>
        <link rel='stylesheet' href='styles.css'>
    </head>
    <body>
        <section>
            <p>Open your browser's console to see the results</p>
        </section>
        <script src='runner.js'></script>
        <script src='app.js'></script>
    </body>
</html>
runner.js
function functionRunner(callback) { 
  callback();
}
Steven Parker
Steven Parker
230,233 Points

This looks like a duplicate of the other question you posted a few minutes ago. See the answer(s) posted there.

You can delete this duplicate while it has no answers, click the small rectangle with the 3 dots to reveal the option.