JavaScript Functions and Events

JavaScript Functions and Events
A JavaScript function is a block of JavaScript code, that can be executed when "called" for.

For example, a function can be called when an event occurs, like when the user clicks a button.

You will learn much more about functions and events in later chapters.

JavaScript in <head> or <body>
You can place any number of scripts in an HTML document.

Scripts can be placed in the <body>, or in the <head> section of an HTML page, or in both.

JavaScript in <head>
In this example, a JavaScript function is placed in the <head> section of an HTML page.

The function is invoked (called) when a button is clicked

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