PinnedArifkhancharAt()charAt() always returns string. charAt() is full meaning character charAt() all time provide index of number below code example…Nov 2, 2020Nov 2, 2020
Arifkhanconcat()concat() it use many purpose. It work like push() method. push() method use that any string or number into end of the array. Same concat()…Nov 2, 2020Nov 2, 2020
