Trunc() and Round() math methods in Javascript

Trunc() and Round() math methods in Javascript

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Test Page</title>
</head>


<body>


  <script type="text/javascript">

    var a = 1.5;
    var b = 1.49;
    var c = -1.22;
    var d = -1.50;

    var x = Math.round(a);
    var y = Math.round(b);
    var z = Math.round(c);
    var q = Math.round(d);


    var xx = Math.trunc(a);
    var yy = Math.trunc(b);
    var zz = Math.trunc(c);
    var qq = Math.trunc(d);
    console.log(x);
    console.log(y);
    console.log(z);
    console.log(q);
    console.log(xx);
    console.log(yy);
    console.log(zz);
    console.log(qq);

  </script>
</body>
</html>









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