Javascript ES13, video 12

<!DOCTYPE html>
<html lang="it-IT">
<head>
  <meta charset="UTF-8">
  <title>Unicode</title>
</head>
<body>
  <script>
    const s1 = "A";
    const s2 = "遰";
    const s3 = "ciao";
    const s4 = "🚀";

    console.log(s1.length);
    console.log(s2.length);
    console.log(s3.length);
    console.log(s4.length);

    console.log(s3.charCodeAt(0));
    console.log(s3[0]);

    console.log("\u{9070}");

    console.log(s2.charCodeAt(0));
    console.log(s2[0]);

    console.log(s4.charCodeAt(0));
    console.log(s4.charCodeAt(1));

    console.log(s4[0]);
    console.log(s4[1]);
    console.log(s4[0]+s4[1]);
    console.log("\u{d83d}\u{de80}");

    console.log( s4.codePointAt(0) );
    console.log( s4.codePointAt(1) );
    console.log("\u{1f680}");
    console.log("\u{de80}");

    console.log('mañana' === 'mañana'); //https://mathiasbynens.be/notes/javascript-unicode
    console.log('mañana'.length + " " + 'mañana'.length);


  </script>
</body>
</html>