js: several ways to create n strings

Several ways to create n strings

const getMoreStr = (num, str) => {
    
    
	let myString = '';
	for (let i = 0; i < num; i++) {
    
    
	    myString += str;
	}
	return myString
}

// getMoreStr(2, '../')
// '../../'

Array(3).join('../')
// '../../'

'../'.repeat(2);
// '../../'