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

Sunyul Kim
Sunyul Kim
1,821 Points
Posted by Sunyul Kim
Sunyul Kim
1,821 Points

how to complete the first task of select by ID in JavaScript and the DOM

how do you complete the first task of selecting by ID in JavaScript and the DOM

app.js 
// Complete the challenge by writing JavaScript below
const button = <button>.getEmelmentByID('btn-phrase');

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
244,163 Points
Steven Parker
Steven Parker
244,163 Points

You were close, but:

  • <button> is HTML, not Javascript
  • you wrote getEmelmentByID instead of getElementById
  • getElementById is a method of the document object

so:

const button = document.getElementById('btn-phrase');