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How JavaScript uses the isRegExp function

Shulou Source: shulou.com Published: 2022-06-01 02:39:11 09月22日 Update

This article mainly introduces JavaScript how to use the isRegExp function, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

IsRegExp: determine whether the data is a regular object

Function isRegExp (value) {return Object.prototype.toString.call (value) = ='[object RegExp]'} what are the characteristics of JavaScript 1. Js is an interpretive scripting language; 2. With the support of most browsers, js can run on multiple platforms and has cross-platform features. 3. Js belongs to a weak type scripting language, which does not make strict requirements for the data types used, and can convert types, which is simple and easy to use; 4. Js language has high security, and it can only browse information or interact dynamically through the browser, thus effectively preventing the loss of data; 5, object-based scripting language, js can not only create objects, but also use existing objects.

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