function identity<T>(value: T): T {
    return value;

// Using the generic function
let result = identity<number>(5); // here, T is replaced with number
console.log(result); // Output: 5

let value = identity<string>("Hello"); // here, T is replaced with string
downloadDownload PNG downloadDownload JPEG downloadDownload SVG

Tip: You can change the style, width & colours of the snippet with the inspect tool before clicking Download!

Click to optimize width for Twitter