String.prototype.padStart/padEnd

// String.prototype.padStart / String.prototype.padEnd  --------------------
const books = {
  html: 5,
  css: 16,
  javascript: 128
}
// for (const [name, count] of Object.entries(books)) {
//   console.log(name, count)
// }
for (const [name, count] of Object.entries(books)) {
  console.log(`${name.padEnd(16, '-')}|${count.toString().padStart(3, '0')}`)
}
/* 
html------------|005
css-------------|016
javascript------|128
*/