JS
See the Pen thecodelog.com - ES8 String Methods 1 by Deano (@deangilewicz) on CodePen.
padEnd() pads the current string with a given string (repeated, if needed) so that the resulting string reaches a given length. The padding is applied from the end (right) of the current string. The first argument is the target length and the second argument is what to pad it with.
See the Pen thecodelog.com - ES8 String Methods 2 by Deano (@deangilewicz) on CodePen.