TypeScript Hindi Tutorial #9 Symbol Data Type

What is Symbol Data Type?

  1. How to use it
  2. Example
  3. Where we can use it
  4. Interview Questions



symbol.ts

var sym= Symbol();
var sym2= Symbol();

var sym3=Symbol('abc');
var sym4=Symbol('abc');


// console.log(sym==sym2);
// console.log(sym3);
// console.log(sym4);

// console.log(sym3==sym4)

const dId= Symbol('id');
const mId= Symbol('id');


const obj= {
[dId]:100,
name:'anil sidhu'
}
console.log(obj[dId]);


symbol.js

"use strict";
var sym = Symbol();
var sym2 = Symbol();
var sym3 = Symbol('abc');
var sym4 = Symbol('abc');
// console.log(sym==sym2);
// console.log(sym3);
// console.log(sym4);
// console.log(sym3==sym4)
const dId = Symbol('id');
const mId = Symbol('id');
const obj = {
[dId]: 100,
name: 'anil sidhu'
};
console.log(obj[dId]);