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JavaScript what is a function

Source: Internet
Author: User
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A function is a set of words that perform a particular function. Without a function, it may take five lines, 10 rows, or even more code to complete the task.

This is not full can put the completion of a specific function of the code block into a function, call this function directly, save the trouble of repeatedly entering a large number of code.

How do you define a function? The basic syntax is as follows:

Function name ()

{

function code;

}

Description

1.function defines the keyword for the function.

2. Function name, the name of the function you are taking.

3. function code, replace with code that completes a specific function.

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JavaScript what is a function

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