代码如下： <!--脚本说明：把如下代码加入<body>区域中:--> <SCRIPT LANGUAGE="JavaScript"> function generateRandomNumber() { var tempString = "" tempString += Math.random() * 100000 return tempString.substring(2,3) } config='toolbar=no,location=no,directories=no,status=no,menubar=no,width=300,height=150' config += 'scrollbars=no,resizable=no' output = window.open ("","outputwindow",config) output.document.write('<title>Random Useless Fact</title>'); output.document.write('<BODY bgcolor=#000066 text=#cccccc>'); output.document.write('<center><big>Random Useless Fact:</big>'); output.document.write('<hr><br><p>'); if (generateRandomNumber()=="1") {output.document.write('Each year more people in the United States are killed from the bite of a poisonous snake than the bite of a non-poisonous one.'); output.document.write('<br><br><br><br><br><br>')} if (generateRandomNumber()=="2") {output.document.write('Each year more women in the Unites States get pregnant than men.'); output.document.write('<br><br><br><br><br><br>')} if (generateRandomNumber()=="3") {output.document.write('Flourine (Fl) is the most active metal.'); output.document.write('<br><br><br><br><br><br>')} if (generateRandomNumber()=="4") {output.document.write('Marilyn Manson (a.k.a. Brian Warner) was born in 1969.'); output.document.write('<br><br><br><br><br><br>')} if (generateRandomNumber()=="5") {output.document.write('I have not entered this fact yet. Please try again. <' + generateRandomNumber()); output.document.write('>'); output.document.write('<br><br><br><br><br><br>')} if (generateRandomNumber()=="6") {output.document.write('I have not entered this fact yet. Please try again. <' + generateRandomNumber()); output.document.write('>'); output.document.write('<br><br><br><br><br><br>')} if (generateRandomNumber()=="7") {output.document.write('I have not entered this fact yet. Please try again. <' + generateRandomNumber()); output.document.write('>'); output.document.write('<br><br><br><br><br><br>')} if (generateRandomNumber()=="8") {output.document.write('I have not entered this fact yet. Please try again. <' + generateRandomNumber()); output.document.write('>'); output.document.write('<br><br><br><br><br><br>')} if (generateRandomNumber()=="9") {output.document.write('I have not entered this fact yet. Please try again. <' + generateRandomNumber()); output.document.write('>'); output.document.write('<br><br><br><br><br><br>')} if (generateRandomNumber()=="0") {output.document.write('I have not entered this fact yet. Please try again. <' + generateRandomNumber()); output.document.write('>'); output.document.write('<br><br><br><br><br><br>');} else {output.document.write('Tungstun (W) has the highest melting point of all metals. That is why it is used in light bulbs.'); output.document.write('<br><br><br><br><br><br>')} </SCRIPT>
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