Cannot read property 'length' of null error

Tell us what’s happening:

Cant get past this challange, I keep getting “Cannot read property ‘length’ of null” in console.

Your code so far


<body>
  <header>
    <h1>Deep Thoughts with Master Camper Cat</h1>
  </header>
  <article>
    <h2>Defeating your Foe: the Red Dot is Ours!</h2>
    <p>Felines the world over have been waging war on the most persistent of foes. This red nemesis combines both cunning stealth and lightening speed. But chin up, fellow fighters, our time for victory may soon be near. Click here for <a href="#">information about batteries</a></p>
  </article>
</body>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/responsive-web-design/applied-accessibility/give-links-meaning-by-using-descriptive-link-text

You added a value to the href attribute. You should not have.