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How to convert a string to a number using + in JavaScript

2025-01-19 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article will explain in detail how JavaScript uses + to convert strings into numbers. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

Convert a string to a number using +

This technique is very useful, it is very simple, you can convert string data into numbers, but it is only suitable for string data, otherwise it will return NaN, such as the following example:

Function toNumber (strNumber) {return + strNumber;} console.log (toNumber ("1234")); / / 1234 console.log (toNumber ("ACB")); / / NaN

This also applies to Date, which in this case will return a timestamp number:

Console.log (+ new Date ()) / / 1461288164385 on "JavaScript how to use + convert strings into numbers" this article is shared here, I hope the above content can be of some help to you, so that you can learn more knowledge, if you think the article is good, please share it for more people to see.

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