- Question: How can we use an isNaN function? Answer: If the number of the argument is false, isNaN can make it true.
- Question: What is a prompt box? Answer: with the help of prompt box user will be able to enter input by providing a text book.
- Question: Please, tell about escape characters. Answer: we use escape characters when we are working with single or double quotes, apostrophes and ampersands.
- Question: You mentioned Push method. Tell us about it. Answer: this method has the same description. The only difference is that with it you will prepend elements to the end of the array.