How does TypeScript support Default Parameters?
Instruction: Describe how default parameters can be used in TypeScript functions.
Context: This question tests the candidate's knowledge of default parameters in TypeScript functions and their ability to explain how default parameters provide flexibility in function invocations.
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Default parameters are JavaScript behavior that TypeScript also checks. The initializer is used when the argument is omitted or is undefined. It is not a fallback for every falsy value and does not validate external input.
function greet(name: string, greeting = "Hello"): string { return `${greeting}, ${name}!`; } function fullName(first = "Ada", last:...