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JavaScript JavaScript and the DOM Getting a Handle on the DOM Select by ID

Posted by Ander Bil
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Ander Bil
Full Stack JavaScript Techdegree Student 6,480 Points

return the element containing the id?

I created the variable button which contains the id name. I am using th formula getelementbyid("button") to retrive that id, but is not working. can someone explain me how to resolv this issue? thanks

app.js 
// Complete the challenge by writing JavaScript below

let button = `<button id = btn-phrase > </button>`


document.getElementById(button)



button.addEventListener('click', () => {
  alert(input.value);
});
index.html 
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>Phrase Sayer</title>
  </head>
  <body>
    <p><label for="input-phrase">Type a phrase</label></p>
    <p><input type="text" id="input-phrase"></p>
    <p><button id="btn-phrase">Say Phrase</button></p>
    <script src="app.js"></script>
  </body>
</html>

1 Answer

Steven Parker
Steven Parker
231,236 Points
Steven Parker
Steven Parker
231,236 Points

The argument passed to getElementById should be just the id name, not HTML code to create an element.

You'll also need to assign the value it returns to the "button" variable instead of that string of HTML code.

Ander Bil
.a{fill-rule:evenodd;}techdegree
Ander Bil
Full Stack JavaScript Techdegree Student 6,480 Points

thanks!