| 3. Change Image |
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| Once
Web page is drawn, nothing |
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| happens
unless you cause an event |
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| • | To animate a series of stills you must cause |
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| the computer to “wake-up” and change |
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| to the next image 30 times a second |
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| • | Set a timer to cause the wake-up |
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| timerID=setTimeout("animate()",30); |
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| Milliseconds to
wait |
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| Function
to change picture |
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| JS
Timer Setting Function |
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| Handle
holder -- to be explained |
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