Symbol Data Type

Example 1 : Create symboll

<script>     
    let a =  Symbol();
    console.log(typeof a)
</script>
 

Example 2 : proof (unique identify of symboll)

<script>     
      let a =  Symbol("Ram");
      let b = Symbol("Ram");
      console.log(a==b)
</script>
 

Example 3 : out put by alert

<script>     
  let a =  Symbol("Ram");
  alert(a.toString())
</script>
 

Example 4 : access of symboll value using description keyword

<script>     
      let a =  Symbol("Ram");
      console.log(a.description);
      alert(a.description)
</script>
 

Example 5 : Add Symool in object property and his value

<script>     
  let name = Symbol("name2")
  let myobj = {
      name : "Ramesh Kumar",
      age : 25,
      city : "Delhi"
  }
  myobj[name] ="Suresh"
  console.log(myobj)
</script>