How to use javascript addition

This article mainly introduces how to use javascript addition, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

1. NaN returns the Operand of NaN.

2. Positive infinity and negative infinity return NaN. Return to itself with the same positive and negative.

3. An Operand is a string, which is converted into string concatenation. You can convert explicitly through Number, or implicitly, such as-0.

Example

Var a = 2NaNconsole.log console.log (a+NaN); / / NaN returns NaNconsole.log (Infinity+Infinity) if one Operand is NaN; / / Infinityconsole.log (Infinity+ (- Infinity)); / / NaNconsole.log ((- Infinity) + (- Infinity)); / / Infinityconsole.log ((+ 0) + (+ 0)); / / + 0console.log ((+ 0) + (- 0)); / / + 0console.log ((- 0) + (- 0)) / /-0 Thank you for reading this article carefully. I hope the article "how to use javascript addition" shared by the editor will be helpful to everyone. At the same time, I also hope that you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!