Random Colors - JavaScript Made Easy: Free JavaScripts Tutorials Example Code

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JavaScript Basics

Inserting Javascript

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Random Colors		[View Sample]

Every times a visitor comes to webpage with this JavaScript in effect, they get a different foreground and background color. However, occassionally you do get a background and foreground color that makes your text unreadable.


Insert into <HEAD>
<SCRIPT LANGUAGE="JavaScript"> <!-- This script and many more are available free online at --> <!-- The JavaScript Source!! http://javascript.internet.com --> <!-- Begin function rnd(scale) { var dd=new Date(); return((Math.round(Math.abs(Math.sin(dd.getTime()))1000000000)%scale)); } function show() { document.blah.bg.value=document.bgColor; document.blah.fg.value=document.fgColor; } document.fgColor=256rnd(255)+16rnd(255)+rnd(255); document.bgColor=256rnd(255)+16*rnd(255)+rnd(255); // End --> </SCRIPT>

Insert into <BODY>
<CENTER> <a href="javascript:history.go(0)">Click here to get new colors</a> </center> <FORM name=blah> <table border=0 width=100%><tr><td align=left>Foreground color</td> <TD align=right>Background color</TD> </TR> <TR> <TD align=left> <input type=text name=fg> </TD> <TD align=right> <input type=text name=bg> </TD> </TR> </TABLE> </FORM> </CENTER>

Other Options