JavaScript/js26.html at main · sudeepnagar/JavaScript · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
<!-- examples on control statements-->
<h3>demo on switch case(it is selection statement under control statements)</h3>
<script>
//it supports all datatypes in javascript

   let i="ram";
  switch(i)
  {
    case "ram": document.write(`ok<br>`);break;
	default:document.write("not<br>");
  }


  //it sup conditions

  let a=40;
  switch(a>=0)
  {
   case true:document.write(`+ve<br>`);break;
   case false:document.write(`-ve<br>`);
  }

  //we can use variables with in "case"

  let x=10,y=20,n=10;
  switch(n)
  {
     case x:document.write(`X`);break;
	 case y:document.write(`Y`);break;
	 default:document.write(`None`);
  }


</script>

<!-- Decision making => 1 statement=> ?:  (ternary operator)
     DM => n statements => if
	 == or !=  => switch
	 -->