How to define a function in JavaScript?

The following example will show you how to define a function in JavaScript. In the following code, when the button is clicked, the function we defined in line 10 will be called.

How to define a function in JavaScript?
<!DOCTYPE html>
    <title>Define a function in JavaScript</title>
      function myFunction(){ 
        alert("You have successfully defined a function!"); 
    <button type="button" onclick="myFunction();">Click Here!</button>
Define a function in JavaScript
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