[Left pad] simple left page function from Wes Bos's ES6 course #JavaScript #utility

leftpad.js

// https://courses.wesbos.com/account/access/5b6921eb99ce1f5578c26a50/view/174357553
function left_pad( str, length = 20 ) {
  return `-> ${' '.repeat( length - str.length )}${str};
}

console.log( left_pad( 'All' );
console.log( left_pad( 'these' );
console.log( left_pad( 'strings' );
console.log( left_pad( 'should' );
console.log( left_pad( 'be' );
console.log( left_pad( 'right' );
console.log( left_pad( 'justified' );