An active engineer explains how to check numerical values with JavaScript [for beginners]
TechAcademy mentor (active engineer) will explain how to check numerical values with JavaScript for beginners using actual code.
If you don't understand JavaScript well,What is JavaScriptLet's take a look at an article that explains what it is.
This article is an online boot camp of Tech AcademyJavaScript/jQuery courseIt is based on the contents of.
table of contents
- Numerical check by Number.isNaN () function
- Numerical check with Number.isFinite () function
- Let's actually write
- Summary
Numerical check by Number.isNaN () function
Number is a wrapper object that treats numbers as objects.
The Number.isNaN () function is true if the value is NaN ...