JS Practice — Built-in Objects

String.fromCodePoint() — multiple code points

📖 Usage Example

String.fromCodePoint(65)       // → 'A'
String.fromCodePoint(9731)     // → '☃'
String.fromCodePoint(128512)   // → '😀'

Use String.fromCodePoint() to create a string from Unicode code point values, including characters outside the BMP.

String.fromCodePoint() — Multiple Arguments

Pass multiple code points to build a string.

Challenge: Implement buildFromCodePoints(points) that converts an array of code points into a string.

buildFromCodePoints([72, 105]) // → 'Hi'

💡 Hints (1)