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JavaScript JavaScript and the DOM (Retiring) Getting a Handle on the DOM Selecting by Id

Posted by Alonzo Delk
Alonzo Delk
6,991 Points

I need help with this button variable? I've looked over my notes and I'm still having trouble.

I need help with this button variable? I've looked over my notes and I'm still having trouble.

js/app.js 
var document.getElementbyID(myButton);
var input;

myButton.addEventListener('click', () => {
  myAlert(myTextInput.value);
});
index.html 
<!DOCTYPE html>
<html>
  <head>
    <title>Phrase Sayer</title>
  </head>
  <body>
    <p><input type="text" id="phraseText"></p>
    <p><button id="sayPhrase">Say Phrase</button></p>
    <script src="js/app.js"></script>
  </body>
</html>

1 Answer

Bert Witzel
.a{fill-rule:evenodd;}techdegree seal-36
Bert Witzel
Full Stack JavaScript Techdegree Graduate 27,917 Points

Hi Alonzo, here is the correct answer

var button = document.getElementById('sayPhrase');
var input = document.getElementById('phraseText');

button.addEventListener('click', () => {
  alert(input.value);
});

Check out this vdeo to brush up on how to do this. Happy coding!