01. Javascript Functions and Events

A javascript function is a block of Javascript code that can be executed when "called" for. A function can be called when an event occurs like when the user clicks a buttons.

Scripts can be placed in the body or in the head selection of an HTML page, or in both. It can also be in an external javscript file.

There are different ways for javascript to "display". this is a review.

• Writing into an HTML element, using innerHTML
• Writing into the HTML output using documnet.write()
• Writing in to a alert box, using window.alert()

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02. Get Element By Id

One of the many Javascript HTML methods is getElementById()

Javascript can change HTML Content

Click Here !

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03. Buttons to Display content_header

The document will get the date and the time

Click me to display date and time

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04. Javascript Can Change HTML Attribute Values

In this case Javascript Changes the value of the source attribute of an image

Turn off the light

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05. Title

Content