JavaScript ES8 Features (padStart and padEnd)

stringPadding.js

// padStart and padEnd
const String = '12345678';

// padStart will add string/padding at the start to justify the Required Length
console.log(String.padStart(10,'.'));
// Output :-            ..12345678

// padEnd will add string/padding at the end to justify the Required Length
console.log(String.padEnd(10,'.'));
// Output :-            12345678..