javascript array to string no commas code example

Example 1: javascript check if string is number

function isNumeric(num){
  return !isNaN(num)
}
isNumeric("23.33"); //true, checking if string is a number.

Example 2: string to list in python comma

# input comma separated elements as string 
str = str (raw_input ("Enter comma separated integers: "))
print "Input string: ", str

# conver to the list
list = str.split (",")
print "list: ", list