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October 3, 2001 Zooming In and Out On Line  Tips: October 2001
Yehuda Shiran, Ph.D.
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You can control the zoom factor
of an element online. A 100%
zoom factor means the element will be displayed in its normal size. A larger zoom
factor creates the impression of zooming in. A less-than-100%
zoom factor displays the element zoomed out. Play around with the following zoom
factor, and see its effect on the element beneath ("Have you read our columns
about Print Templates?").
%
Have you read our columns about Print Templates?
The above demo includes a text box for the zoom factor entry, a DIV element for the sentence ("Have you read our columns about Print Templates?"), and an onkeyup event handler in JavaScript. Whenever the user enters a digit in the text box, the zoom factor is being updated after he or she releases that key. Here are the definitions:
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