1st round should be a written technical test the question as been asked a 5 program using java script API 1. inverse pyramid 2.prime number between 100 -1000 3.reverse a string I/P : i am not a string o/p: g ni rts a tonmai 4.4*4 matrix in this matrix 1st and 4th row want to interchange remains same i/p:[ 1 2 3 4 o/p: [5 8 2 7 5 6 7 8 5 6 7 8 5 6 4 8 5 6 4 8 5 8 2 7] 1 2 3 4 ] 5. write a program for non repeted letter i/p: java is indepented language o/p : j