liamw4446.github.io/javascript.html at main · liamw4446/liamw4446.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>class links</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Bitcount+Prop+Single+Ink:wght@100..900&family=Playfair+Display:ital,wght@0,400..900;1,400..900&display=swap" rel="stylesheet">
    <link rel="stylesheet" href="style.css">
</head>
<body>
<p id="balloon">🎈</p>

<script>
  let ballonEl = document.getElementById("ballon")
  let fontSize = 10;
  ballonEl.style.fontSize = fontSize + "px";
  function handeKeyDown(event) {
    if (event.key == "ArrowUp") {
      fontSize * 1.1;
      ballonEl.style.fontSize = fontSize + "px";
      event.preventDefault();
      }
    if (event.key == "ArrowDown") {
      fontsize /= 1.1;
      event.preventDefault();
      }
    }
  winow.addEventListener("keydown", handleKeyDown);
</script>
</body>