onlyforbopi
9/19/2018 - 7:17 PM

JS.Events.HanglingKeyboardEvents

JS.Events.HanglingKeyboardEvents

script.js
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window.onkeyup = processKeyUp;
window.onkeydown = processKeyDown;

/* or we could have written:
   window.addEventListener('keyup', processKeyUp);
   window.addEventListener('keydown', processKeyDown);
*/

function processKeyUp(evt) {
  var keys = document.querySelector('#keys');
  keys.innerHTML += "keyup: " + evt.key + " code: " + evt.keyCode + "<br>";
}

function processKeyDown(evt) {
  var keys = document.querySelector('#keys');
  keys.innerHTML += "keydown: " + evt.key + " code: " + evt.keyCode + "<br>";
}
js-events-hanglingkeyboardevents.markdown
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JS.Events.HanglingKeyboardEvents

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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>Example of the 'keyup' and 'keydown' events on the window object</title>
</head>
  <body>
    <p>Please type some keys and see what happens</p>
    <div id="keys"></div>
  </body>
</html>