Question 46

developer has a web server running with Node.js. The command to start the web server is node server,js. The web server started having latency issues. Instead of a one second turn around for web requests, the developer now sees a five second turnaround, Which command can the web developer run to see what the module is doing during the latency period?
  • Question 47

    Refer to the following code:
    <html lang="en">
    <body>
    <div onclick = "console.log('Outer message') ;">
    <button id ="myButton">CLick me<button>
    </div>
    </body>
    <script>
    function displayMessage(ev) {
    ev.stopPropagation();
    console.log('Inner message.');
    }
    const elem = document.getElementById('myButton');
    elem.addEventListener('click' , displayMessage);
    </script>
    </html>
    What will the console show when the button is clicked?
  • Question 48

    A developer at Universal Containers is creating their new landing page based on HTML, CSS, and JavaScript. The website includes multiple external resources that are loaded when the page is opened.
    To ensure that visitors have a good experience, a script named personalizeWebsiteContent needs to be executed when the webpage Is loaded and there Is no need to wait for the resources to be available.
    Which statement should be used to call personalizeWebsiteContent based on the above business requirement?
  • Question 49

    The developer wants to test this code:
    Const toNumber =(strOrNum) => strOrNum;
    Which two tests are most accurate for this code?
    Choose 2 answers
  • Question 50

    Which statement parses successfully?