-Enables to immediately return undefined
in object chaining if a null
or undefined
is encountered.
?.
is the symbol to achieve this.
Example #1
const customer :{
customerId: number,
firstName?: string,
lastName?:string,
using System; | |
using System.Text; | |
using System.Collections.Generic; | |
namespace WordWrapper | |
{ | |
public class Program | |
{ | |
/*** |
public class HelloContext
{
private ISomething _smh ;
void Foo(string key)
{
switch(key)
{
case "A":