any void
boolean number string
null undefined
bigint symbol
string[] /* or Array / [string, number] / tuple */
string | null | undefined /* union */
never /* unreachable */ unknown enum Color { Red, Green, Blue = 4 };
let c: Color = Color.Green
Created
June 26, 2024 09:17
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Typescrip Syntax refresher
class Point { x: number y: number static instances = 0 constructor(x: number, y: number) { this.x = x this.y = y } }
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function fizzBuzz(n: number): void {
for (let i = 1; i <= n; i++) {
if (i % 3 === 0 && i % 5 === 0) {
console.log("FizzBuzz");
} else if (i % 3 === 0) {
console.log("Fizz");
} else if (i % 5 === 0) {
console.log("Buzz");
} else {
console.log(i);
}
}
}
// Example usage:
fizzBuzz(15);
// Expected output:
// 1
// 2
// Fizz
// 4
// Buzz
// Fizz
// 7
// 8
// Fizz
// Buzz
// 11
// Fizz
// 13
// 14
// FizzBuzz