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

Selected by Id

the question is 'There is a variable named button in app.js. Set its value to contain a reference to the button element in index.html with the ID of sayPhrase.' I am not sure what to do.

js/app.js
let button;
let input;

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

Michael Davis
PLUS
Michael Davis
Courses Plus Student 12,508 Points

In this lecture, at time-stamp of 0:38 (38-seconds), Guil goes over how to select an item by its ID. That is what this question is asking you to do.

Locate the element with the ID of sayPhrase and assign it to the variable button.