JS Practice — Built-in Objects

String.prototype.padEnd() — fixed-width table formatting

📖 Usage Example

'5'.padEnd(3, '0')       // → '500'
'hello'.padEnd(8, '-')   // → 'hello---'
'hi'.padEnd(2)           // → 'hi'

Use padEnd() to pad the end of a string with a fill character until it reaches the target length.

String.prototype.padEnd() — Fixed-Width Formatting

.padEnd() is useful for aligning text in fixed-width columns.

Challenge: Implement formatRow(label, value) that left-aligns a label in a 15-character field and appends the value.

formatRow('Name', 'Alice') // → 'Name           Alice'

💡 Hints (1)