How JavaScript uses the isArrayLike function

This article will explain in detail how JavaScript uses the isArrayLike function. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

IsArrayLike: check whether value is a class array

If a value is considered to be a class array, it is not a function, and value.length is an integer, greater than or equal to 0, less than or equal to Number.MAX_SAFE_INTEGER. Here the string is also used as a class array.

Function isArrayLike (value) {return value! = null & & isLength (value.length) & &! isFunction (value);} what are the characteristics of JavaScript 1. Js belongs to 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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