Shulou(Shulou.com)06/03 Report--

This article mainly introduces how to use the arguments attribute in the js 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 it.

1. The arguments object, similar to an array, contains all the parameters in the passed function, and it has the callee property, which is used to execute the function itself.

2. Arguments.callee can be used to eliminate coupling in factorial functions (still not function names).

Example

/ / normal factorial, depending on function name, and function name cannot change function factorial (num) {if (num)

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