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This article mainly introduces how to use js! The number into a Boolean value, 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.

Use! Convert a number to a Boolean value

All values other than 0 are true, including negative and floating point numbers:

Console.log (!! 7); / / true console.log (!! 0); / / false console.log (!-1); / / true console.log (!! 0.71); / / true thank you for reading this article carefully. I hope the editor shares the "how to use js!" The article "convert numbers to Boolean values" is helpful to everyone. At the same time, I hope you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

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