String.js

const s = "      abhinav sharma.      "

console.log(
  s.at(0),
  s.charAt(0),
  s.charCodeAt(0),
  s.startsWith("abhi"),
  s.concat("defghi"),
  s.endsWith("rma"),
  String.fromCharCode(98),
  s.includes("hinav"),
  s.indexOf("a"),
  s.lastIndexOf("a"),
  s.repeat(3),
  s.split(" "),
  s.slice(-5, -1),
  s.trim().length,
  s.trimStart(),
  s.trimEnd()
)

const hour = "2"
const minute = "45"

console.log(
  `${hour.padStart(2, "0")}:${minute.padStart(2, "0")}`
)

const originalText = "The quick brown fox jumped over the monkey and the monkey had last laugh"

console.log(originalText.replace("monkey", "lion"), originalText.replaceAll("monkey", "lion"))