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This article will explain in detail how to observe the calls and parameters of specific functions in JavaScript. 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.

Observe the calls and parameters of a specific function

In the Chrome console, you can observe specific functions. Each time the function is called, the passed-in parameters are printed.

Var func1 = function (x, y, z) {/ /.... }

Output:

This is a good way to look at the parameters passed in to the function. However, it would be better if the console prompted us for the number of parameters. In the above example, func1 expects three parameters, but only two parameters are passed in. If you don't handle this parameter in your code, you're likely to make an error.

This is the end of this article on "how to observe the calls and parameters of a specific function in JavaScript". 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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