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This article mainly introduces the relevant knowledge of "JavaScript function and Grammar case Analysis". The editor shows you the operation process through the actual case. The operation method is simple, fast and practical. I hope this article "JavaScript function and Grammar case Analysis" can help you solve the problem.

A function is a reusable block of code that is event-driven or executed when it is called.

Example

Test example

Function myFunction ()

{

Alert ("Hello World!")

}

Click here.

Function myFunction (name,job) {

Alert ("Welcome" + name + ", the" + job)

}

The above function prompts "WelcomeHarryPotter,theWizard" when the button is clicked.

The function is flexible, and you can call it with different parameters, which gives different messages:

Example

Click here.

Click here.

Depending on which button you click, the above example prompts "WelcomeHarryPotter,theWizard" or "WelcomeBob,theBuilder".

This is the end of the introduction to "JavaScript function and Grammar example Analysis". Thank you for reading. If you want to know more about the industry, you can follow the industry information channel. The editor will update different knowledge points for you every day.

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