JavaScriptBasic/boolean.html at master · mohsin0176/JavaScriptBasic · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <title>JS BASIC</title>


  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
 <script type="text/javascript" src="js/main.js"></script>

</head>
<body>


 <script type="text/javascript">
    var a=true;
    var b=0;
    var e=1;
    var f=false;

    if (a&&b) { document.write("true<br>");}
    else{
      document.write("false");
    }
    if (e||f) { document.write("false<br>");}
  else{
    document.write("true");
  }
 </script>


</body>
</html>