Js array all methods
push
pop
shift
unshift
concat
loop
splice
slice
sort
resverse
apple,mango,bnanana,range
numeric sort
numeric sort
1,2,8,4,6,9
find min and max value
find max value
find min value
Check age above 18 or not
Check age
get sum
Get sum
indexof and last indexof
check first ocurrence of mango
check last ocurrence of mango
for each function
print all array