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Free Useful Javascripts

Posted on Jun 4, 2003 | Last Updated Nov 19, 2011

Links to articles that give free javascript code or javascript examples.

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Compare Values with Arbitrary Comparison Operator

JavaScript for comparing values when the operator to use is variable.
Posted on Dec 21, 2012 | Last Updated Dec 21, 2012

JavaScript function and sample code to dynamically compare two values. Accepts numeric and/or alphanumeric values and does a comparison on them based on a comparison parameter.

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javascript, compare, comparison, dynamic, script, operator, math, numeric, alphanumeric, example, free

UseMaps Crash IE When Changed

Posted on Mar 30, 2008 | Last Updated Nov 12, 2011

Dynamically changing an image's usemap property can cause Internet Explorer to crash completely. Here is a solution to changing usemaps with JavaScript.

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image maps, usemaps, use maps, dynamic, ie7, ie, internet explorer, javascript

Make JavaScript Math.random() useful

Posted on Aug 3, 2004 | Last Updated Sep 30, 2013

How to use the JavaScript Math.random function useful with round, ceiling, and floor.

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javscript, math.random, math.round, math.ceil, math.floor

Columbus Zoo Photos

Posted on Oct 19, 2002 | Last Updated Oct 30, 2011

Columbus Zoo photos by Shawn Olson, including a white tiger, grizzly bear, and otter.

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columbus zoo, april 2002, white tiger, otter, grizzly bear, animal photogra

The knock at the door

Posted on Dec 1, 2003 | Last Updated Nov 2, 2011

Mom used to pull pranks on us as kids... so I couldn't help pulling pranks on her too.

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prank, knock, door, string, donna olson, shawn olson, joke

Red, White & Boom, 2003

Posted on Jul 16, 2003 | Last Updated Oct 31, 2011

The 4th of July Ohio Bicentennial fireworks display.

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red white and blue, july 4 2003, columbus fireworks, photos by shawn olson

Select All Checkboxes in a Form with JavaScript

Posted on Apr 20, 2004 | Last Updated Nov 5, 2011

A simple, free javascript to select/unselect all the checkboxes in a form.

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checkbox select javascript, checkboxes

Manipulating Element Styles Based on CSS Classes Using Prototype

Posted on Dec 3, 2009 | Last Updated Dec 21, 2012

Example javascript function to change element display properties based on their classes using the Prototype JavaScript Framework.

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javascript, prototype, css, class, className, classNames, style

Material Merger

Posted on Aug 8, 2012 | Last Updated Jun 2, 2020

A free MAXScript utility to combine mutliple materials and maps into single output materials and maps.

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maxscript, materials, render, composity, free
Wall Worm plugins and scripts for 3ds Max