CAUTIONA bug associated with the watch() and unwatch() methods prevents the actual text color from changing in the browser even though the document’s fgColor property does get changed.

 

Listing 8.105 Example of the unwatch() Method of the Document Object

<html><b>What color is this text?</b><br><br><script type="text/javascript" language="JavaScript"><!--function alertme(id,oldValue,newValue){    document.write(id + " changed from " + oldValue + " to ");    document.write(newValue + "<br>");    return newValue;}// Start watchdocument.watch("fgColor",alertme);document.write("Original text color: " + document.fgColor + "<br>");// Change text colordocument.fgColor = "Blue";document.write("New text color: " + document.fgColor + "<br>");// Stop watch ...

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