How can I know that a variable is a number or not using a
JavaScript?
Answer Posted / venkat
By using isNaN() function
Is This Answer Correct ? | 21 Yes | 1 No |
Post New Answer View All Answers
What are form input html tags?
What is the advantage of runtime polymorphism?
What is the current php version?
What do you use php for?
How do I escape in php?
How do I check if a given variable is empty?
Which of the delimiter is ASP style?
What is mysql_fetch_array?
Can php use gettext?
Do you know what is the differences between $a != $B and $a !== $B?
Explain what is memcache?
What is a controller in php?
What is $_ get?
What is php resource type?
How to get the IP address of the client/user in PHP?