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Quote Machine


Students should be comfortable with:

  • DOM manipulation
  • Working with events and event handlers


A working version of this code can be seen here:


Let's apply what we learned in class to make the Quote Machine website more interactive. The HTML and CSS is already provided for you, you simply need to make updates to the JavaScript file provided. Do all your work within the starter folder.


  1. Link the main.js JavaScript file to the HTML page with the script tag in the appropriate place.

  2. Add an event handler to capture the form submission for when a user adds a new quote.

  3. Prevent the form from submitting when a user saves the form with preventDefault() on the event object.

  4. Obtain and store the values of the quote and author form fields into the variables quoteTxt and author.

  5. Update the blockquote and p element in the .hero container with the quote and author the user entered.

  6. When a user enters a new quote, it should appear in the list of quotes using appendChild.

  7. On second thought, change the position of where new quotes are inserted, place new quotes at the top of the list of existing quotes.

  8. When a user successfully submits the form, the form fields should be cleared.

  9. Update the HTML and remove the default quotes that appear when the page initially loads.

  10. A user should be required to enter both a quote and an author when saving.

  11. Populate the following quote data when the page first loads:

const defaultQuotes = [
      "quote": "Whether you think you can or think you can’t, you’re right.",
      "author": "Henry Ford"
      "quote": "The pessimist sees difficulty in every opportunity. The optimist sees opportunity in every difficulty.",
      "author": "Winston Churchill"
      "quote": "Who looks outside, dreams; who looks inside, awakens.",
      "author": "Carl Jung"
      "quote": "Darkness cannot drive out darkness, only light can do that. Hate cannot drive out hate, only love can do that.",
      "author": "Dr. Martin Luther King"
  1. Make sure that every time a quote is added, it's also added to the defaultQuotes array.


Have the main quote at the top randomly pick a quote from the defaultQuotes array and display a new random one every 5 seconds.

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