Provide the syntax for optional parameters in TypeScript.

1.	Provide the syntax for optional parameters in TypeScript.
Answer» A FUNCTION can mark ONE or more of its PARAMETERS as optional by suffixing its name with ‘?’. In the example below, the PARAMETER greeting is marked optional. function greet(name: string, greeting?: string) {if (!greeting) greeting = "Hello";console.log(`${greeting}, ${name}`);}greet("John", "HI"); // Hi, Johngreet("Mary", "Hola"); // Hola, Marygreet("Jane"); // Hello, Jane

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