Bash - iterate over elements of an array

https://www.cyberciti.biz/faq/bash-for-loop-array/

Let’s retrieve an array

myArray=("$@") 
#or
myArray=( "one" "two" "three" )

First possibility, if retrieved from command line:

for arg; do
   echo "$arg"
done

is equivalent to:

for arg in "${myArray[@]}"; do
   echo "$arg"
done

Another example:

for i in {1..100}; do
 echo $i
done

Similar to:

for ((i=1;i<=100;i++)); do 
   echo $i
done

With seq:

for i in $(seq 1 $END); do 
    echo $i; 
done

Using while:

c=1
while [[ $c -le 100 ]]; do 
   echo "$c"
   let c=c+1
done