JS Practice — Built-in Objects

String.prototype.toString() — explicit call

📖 Usage Example

const str = 'Hello'
str.toString()              // → 'Hello'
new String('hi').toString()  // → 'hi'

Use toString() to return the primitive string value of a string or String object.

String.prototype.toString() — Explicit Call

You can call .toString() explicitly to ensure you have a string primitive.

Challenge: Implement explicitToString(str) that calls toString and checks the type.

explicitToString('42') // → 'string'

💡 Hints (1)