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

Posted by Sonny Fishback
Sonny Fishback
7,257 Points

no comprendo muchacho

i do not understand how assign the button to the variable

js/app.js 
var button;
var input;

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

var button = document.getElementById("sayPhrase");
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

Steven Parker
Steven Parker
216,136 Points
Steven Parker
Steven Parker
216,136 Points

It looks like you have the right code, but in the wrong place.

Just move your initialization up to the top line to replace the simple declaration initially provided.