How to check whether the data is non-numeric by JavaScript
This article mainly shows you "JavaScript how to check whether the data is non-numeric value", the content is easy to understand, clear, hope to help you solve the doubt, the following let the editor lead you to study and learn "JavaScript how to check whether the data is non-numeric value" this article.
_ isNaN: check whether the data is non-numeric
Function _ isNaN (v) {return! (typeof v = = 'string' | | typeof v =' number') | | isNaN (v)} above is all the contents of the article "how to check whether the data is a non-numeric value". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!
