知识大全用JavaScript实现一些随机事件

Posted 2022-07-20 背景

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随机广告 <SCRIPT LANGUAGE= JavaScript > <! Begin var how_many_ads = ; var now = new Date() var sec = now getSeconds() var ad = sec % how_many_ads; ad += ; if (ad== ) txt= The World s Largest Online Bookstore ; url= ; alt= ; banner= _Ban gif ; width= ; height= ; if (ad== ) txt= Palm III by Com in stock! ; url= ; alt= ; banner= _Ban gif ; width= ; height= ; if (ad== ) txt= Find it at ; url= ; alt= ; banner= _Ban gif ; width= ; height= ; document write( <center> ); document write( <a href=\\ + url + \\ target=\\ _top\\ > ); document write( <img src=\\ + banner + \\ width= ) document write(width + height= + height + ); document write( alt=\\ + alt + \\ border= > ); document write( <small> + txt + </small></a> ); document write( </center> ); // End > </SCRIPT> 随机背景颜色 <HTML> <HEAD> <TITLE>Random Background</TITLE> <SCRIPT LANGUAGE= JavaScript > <! function backcolor(form) temp = for (var i = ; i < ; i++) temp = lor[i] value if (lor[i] checked) document bgColor = temp 　 function randombackground() document bgColor = getColor() function getColor() currentdate = new Date() backgroundcolor = currentdate getSeconds() if (backgroundcolor > ) backgroundcolor = backgroundcolor else if (backgroundcolor > ) backgroundcolor = backgroundcolor else if (backgroundcolor > ) backgroundcolor = backgroundcolor if (backgroundcolor == ) return olive ; else if (backgroundcolor == ) return teal ; else if (backgroundcolor == ) return red ; else if (backgroundcolor == ) return blue ; else if (backgroundcolor == ) return maroon ; else if (backgroundcolor == ) return navy ; else if (backgroundcolor == ) return lime ; else if (backgroundcolor == ) return fuschia ; else if (backgroundcolor == ) return green ; else if (backgroundcolor == ) return purple ; else if (backgroundcolor == ) return gray ; else if (backgroundcolor == ) return yellow ; else if (backgroundcolor == ) return aqua ; else if (backgroundcolor == ) return black ; else if (backgroundcolor == ) return white ; else if (backgroundcolor == ) return silver ; // End > </SCRIPT> </HEAD> <BODY BGCOLOR=#ffffff vlink=# ff> <CENTER> <FORM> <input type= button value= 随机背景颜色 onClick= randombackground() > </FORM> </CENTER> </body></> 随机背景图案 <HTML> <HEAD> <TITLE>Random Images</TITLE> <SCRIPT LANGUAGE= JavaScript > today=new Date(); jran=today getTime(); var number = ; var random_number= ; var image= ; var text_color= ; ia= ; ic= ; im= ; jran = (jran*ia+ic) % im; random_number = Math ceil( (jran/(im* )) *number); if (random_number== ) text_color= ; image= bg gif ; if (random_number== ) text_color= ; image= bg jpg ; if (random_number== ) text_color= ; image= bg gif ; // End > </SCRIPT> </HEAD> <SCRIPT LANGUAGE= JavaScript > <! Begin document open(); document write( <BODY BACKGROUND= +image+ TEXT= +text_color+ vlink=# ff> ); document write( <CENTER></CENTER> ); // End > </SCRIPT> <FORM> <INPUT　TYPE= button VALUE= Reload　Page onClick= window location= > </FORM> <SCRIPT LANGUAGE= JavaScript > <! Begin document write( <CENTER><FONT SIZE= color=red>Background Image: ( +image+ )</FONT></CENTER> ); // End > </SCRIPT> </body></> 随机图案把以下代码放在<head></head>之间 <script language= JavaScript > a = var slump = Math random(); var talet = Math round(slump * (a ))+ ; function create() 　　　　this src = 　　　　this border = this alt = b = new Array() for(var i= ; i<=a; i++) b[i] = new create() b[ ] src　　= reset gif b[ ] border = b[ ] alt　　= b[ ] src　　= back gif b[ ] border = b[ ] alt　　= b[ ] src　　= ie gif b[ ] border = b[ ] alt　　= b[ ] src　　= netscape gif b[ ] border = b[ ] alt　　= var visa = ; visa += <img src= +b[talet] src+ border= + alt= +b[talet] alt+ > ; </SCRIPT> 把以下代码放在HTML文件任意地方 <script language= JavaScript > <! Hide this script from old browsers document write(visa) // > </script> 随机播放MIDI音乐把以下代码放在<head></head>之间 <script language= JavaScript > <! Hide from non JavaScript browsers am = var ran = Math random(); var talet = Math round(ran * (am ))+ ; function create() 　　　　this src = c = new Array() for(var i= ; i<=am; i++) c[i] = new create() c[ ] src　　= hh mid c[ ] src　　= hh mid c[ ] src　　= hh mid c[ ] src　　= hh mid c[ ] src　　= hh mid var vismid = ; vismid += <embed src= +c[talet] src+ width= height= + autostart=true + loop= + > ; // > </SCRIPT> 把以下代码放在<body></body>之间 <script language= JavaScript > <! Hide from non JavaScript browsers document write(vismid); // > </script> 随机文本把以下代码放在<head></head>之间 <script language= JavaScript > <! Hide var a = Math random() + var rand = a charAt( ) quotes = new Array quotes[ ] = MESSAGE # quotes[ ] = MESSAGE # quotes[ ] = MESSAGE # quotes[ ] = MESSAGE # quotes[ ] = MESSAGE # quotes[ ] = MESSAGE # quotes[ ] = MESSAGE # quotes[ ] = MESSAGE # quotes[ ] = MESSAGE # quotes[ ] = MESSAGE # var quote = quotes[rand ] // > </script> 把以下代码放在HTML文件任意地方 <script language= JavaScript > <! Hide document write( <i> + quote + </i> ) // > </script> 随机连接把以下代码放在<head></head>之间 <script language= JavaScript > <! Hide from non JavaScript browsers an = var ran = Math random(); var talet = Math round(ran * (an ))+ ; function create() 　　　　this src = b = new Array() for(var i= ; i<=an; i++) b[i] = new create() b[ ] src　　= <a > b[ ] src　　= <a > b[ ] src　　= <a > b[ ] src　　= <a > b[ ] src　　= <a > var vis = ; vis += b[talet] src; // > </SCRIPT> 把以下代码放在<body></body>之间 <script language= JavaScript > <! Hide from non JavaScript browsers document write(vis+ random link + </a> ); // > </SCRIPT> cha138/Article/program/Java/JSP/201311/19481

知识大全 用JavaScript实现一些随机事件

知识大全用JavaScript实现一些随机事件