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  • Brady Gorman
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    Brady Gorman
    Front End Web Development Techdegree Student 7,738 Points

    "Cannot read properties of null (reading 'addEventListener')"

    Posted June 14, 2023 12:16am by Brady Gorman
    .a{fill-rule:evenodd;}techdegree
    Brady Gorman
    Front End Web Development Techdegree Student 7,738 Points
    • JavaScript
    • JavaScript and the DOM
    • Making Changes to the DOM
    • Get and Set Content with textContent and innerHTML

    5 Answers

  • Dohr Zerkavod
    Dohr Zerkavod
    8,169 Points

    querySelector works but querySelectorAll doesnt...Why?

    Posted March 24, 2023 1:46pm by Dohr Zerkavod
    Dohr Zerkavod
    8,169 Points
    • JavaScript
    • JavaScript and the DOM
    • Making Changes to the DOM
    • Get and Set Content with textContent and innerHTML

    1 Answer

  • Michael Davis
    Michael Davis
    6,992 Points

    My .addEventListener is returning null. I cant figure out why.

    Posted May 20, 2022 11:25pm by Michael Davis
    Michael Davis
    6,992 Points
    • JavaScript
    • JavaScript and the DOM
    • Making Changes to the DOM
    • Get and Set Content with textContent and innerHTML

    2 Answers

  • Eric Wilson
    Eric Wilson
    9,381 Points

    How would you update the Heading with the "Enter" key?

    Posted April 17, 2022 11:05pm by Eric Wilson
    Eric Wilson
    9,381 Points
    • JavaScript
    • JavaScript and the DOM
    • Making Changes to the DOM
    • Get and Set Content with textContent and innerHTML

    2 Answers

  • Samira Tavakolli
    Samira Tavakolli
    6,715 Points

    Getting a TypeError on this code!

    Posted March 31, 2022 11:27am by Samira Tavakolli
    Samira Tavakolli
    6,715 Points
    • JavaScript
    • JavaScript and the DOM
    • Making Changes to the DOM
    • Get and Set Content with textContent and innerHTML

    3 Answers

  • Ryan Miles
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    Ryan Miles
    Full Stack JavaScript Techdegree Student 3,261 Points

    selecting the button with getElementById works, but using querySelector is returning null.

    Posted November 11, 2021 5:36am by Ryan Miles
    .a{fill-rule:evenodd;}techdegree
    Ryan Miles
    Full Stack JavaScript Techdegree Student 3,261 Points
    • JavaScript
    • JavaScript and the DOM
    • Making Changes to the DOM
    • Get and Set Content with textContent and innerHTML

    2 Answers

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Treehouse is an online technology education platform founded in 2011. Treehouse offers more than 700 self-paced, video-based courses in web development, programming, data analysis, design, and AI, plus two project-based bootcamp programs in Front End Web Development and Full Stack JavaScript. Individual Treehouse plans start at $25 per month and include a 7-day free trial. Treehouse serves individual learners, businesses, schools, and public libraries. Cardholders at participating U.S. public libraries can use Treehouse for free. Select Treehouse courses, offered with University Pathways International, are recommended for college credit by ACE and NCCRS. Treehouse learners earn digital certificates for completed Tracks.

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