把代码加入body区域中： 复制代码 代码示例: script language=javascript !-- var sound1=song1.mid var sound2=song2.mid var sound3=song3.mid var sound4=song4.mid var sound5=song5.mid var sound6=song6.mid var sound7=song7.mid var sound8=song8.mid var sound9=song9.mid var sound10=song10.mid var x=math.round(math.random()*9) if (x==0) x=sound1 else if (x==1) x=sound2 else if (x==2) x=sound3 else if (x==3) x=sound4 else if (x==4) x=sound5 else if (x==5) x=sound6 else if (x==6) x=sound7 else if (x==7) x=sound8 else if (x==8) x=sound9 else x=sound10 //添加背景音乐代码 if (navigator.appname==microsoft internet explorer) document.write('bgsound src='http://www.dismall.com/thread-957-1-1.html/a_11681/+''+x+''http://www.dismall.com/thread-957-1-1.html/a_11681/+' loop=infinite') else document.write('embed src='http://www.dismall.com/thread-957-1-1.html/a_11681/+''+x+''http://www.dismall.com/thread-957-1-1.html/a_11681/+'hidden=true border=0 width=20 height=20 autostart=true loop=true') //-- /script ， 如何用js添加背景音乐呢？大家可以参考如下的js代码，。