LifeCoding/JsBoolean.html at master · kuku-kun/LifeCoding · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <h1>Comparison operator & Boolean</h3>
    <h2>===</h2>
    <script>
        document.write(1===1); // True
        document.write(1===2); // False
    </script>
    <h3>1&lt;2</h3>
    <script>
        document.write(1<2);
    </script>
    <h2>Return</h2>
    <script>
      function sum2(left, right){
        return left+right;
      }
      document.write(sum2(2,3)+'<br>');
      document.write('<div style="color:red">'+sum2(2,3)+'</div>');
      document.write('<div style="font-size:3rem;">'+sum2(2,3)+'</div>');
    </script>
</body>
</html>