<h1>Conditional statements</h1>
<h2>Program</h2>
<script>
  document.write("1<br>");
  document.write("2<br>");
  document.write("3<br>");
  document.write("4<br>");
</script>
<h2>IF-true</h2>
<script>
  document.write("1<br>");
  if(true){
    document.write("2<br>");
  } else {
    document.write("3<br>");
  }
  document.write("4<br>");
</script>

<h2>IF-false</h2>
<script>
  document.write("1<br>");
  if(false){
    document.write("2<br>");
  } else {
    document.write("3<br>");
  }
  document.write("4<br>");
</script>