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日期：2014-05-18　 浏览次数：20315 次

欢迎光临爱易网网页脚本特效中心，点击运行按钮演示特效：

以下是程序代码

要完成此效果需要三个步骤 第一步：把如下代码加入到<head>区域中 <SCRIPT LANGUAGE="JavaScript"> <!-- Begin function SelObj(formname,selname,textname,str) { this.formname = formname; this.selname = selname; this.textname = textname; this.select_str = str || ''; this.selectArr = new Array(); this.initialize = initialize; this.bldInitial = bldInitial; this.bldUpdate = bldUpdate; } function initialize() { if (this.select_str =='') { for(var i=0;i<document.forms[this.formname][this.selname].options.length;i++) { this.selectArr[i] = document.forms[this.formname][this.selname].options[i]; this.select_str += document.forms[this.formname][this.selname].options[i].value+":"+ document.forms[this.formname][this.selname].options[i].text+","; } } else { var tempArr = this.select_str.split(','); for(var i=0;i<tempArr.length;i++) { var prop = tempArr[i].split(':'); this.selectArr[i] = new Option(prop[1],prop[0]); } } return; } function bldInitial() { this.initialize(); for(var i=0;i<this.selectArr.length;i++) document.forms[this.formname][this.selname].options[i] = this.selectArr[i]; document.forms[this.formname][this.selname].options.length = this.selectArr.length; return; } function bldUpdate() { var str = document.forms[this.formname][this.textname].value.replace('^\\s*',''); if(str == '') {this.bldInitial();return;} this.initialize(); var j = 0; pattern1 = new RegExp("^"+str,"i"); for(var i=0;i<this.selectArr.length;i++) if(pattern1.test(this.selectArr[i].text)) document.forms[this.formname][this.selname].options[j++] = this.selectArr[i]; document.forms[this.formname][this.selname].options.length = j; if(j==1){ document.forms[this.formname][this.selname].options[0].selected = true; //document.forms[this.formname][this.textname].value = document.forms[this.formname][this.selname].options[0].text; } } function setUp() { obj1 = new SelObj('menuform','itemlist','entry'); obj1.bldInitial(); } // End --> </script> 第二步：把如下代码加入到<body>区域中 <center> <form name="menuform" onSubmit="javascript:window.location = document.menuform.itemlist.options[document.menuform.itemlist.selectedIndex].value;return false;"> <font face="arial, helvetica" size="-1">键入a-d看看效果.</font> <br> <br> <input type="text" name="entry" size="30" onKeyUp="javascript:obj1.bldUpdate();"> <br> <select name="itemlist" size=5> <option value="page.html">ALL <option value="page.html">ALL CATALOG <option value="page.html">ALL CLUSTERS <option value="page.html">ALL CLUSTERS HASH EXPRESSIONS <option value="page.html">ALL COL COMMENTS <option value="page.html">ALL COL PRIVS <option value="page.html">ALL COL PRIVS MADE <option value="page.html">ALL COL PRIVS SENT <option value="page.html">ALL CONSTRAINTS <option value="page.html">ALL CONS COLUMNS <option value="page.html">ALL DB LINKS <option value="page.html">ALL DEF AUDIT <option value="page.html">ALL DEPENDENCIES <option value="page.html">ALL ERRORS <option value="page.html">ALL HISTOGRAMS <option value="page.html">ALL INDEXES <option value="page.html">ALL IND COLUMNS <option value="page.html">ALL JOBS <option value="page.html">ALL OBJECTS <option value="page.html">ALL REFRESH <option value="page.html">ALL REFR</div></div> <div class="clearfix"></div> </div> <nav aria-label="..."> <ul class="pager"> <li class="previous"><a href="4667">上一篇：狡猾的按钮特效</a></li> <li class="next"><a href="540">下一篇：可调整的列表菜单项</a></li> </ul> </nav> <div class="alert alert-warning" role="alert"> <strong>免责声明：</strong> 本文仅代表作者个人观点，与爱易网无关。其原创性以及文中陈述文字和内容未经本站证实，对本文以及其中全部或者部分内容、文字的真实性、完整性、及时性本站不作任何保证或承诺，请读者仅作参考，并请自行核实相关内容。 </div> <div class="panel panel-default"> <div class="panel-heading"> <h3 class="panel-title">相关资料<span><a target="_blank" class="pull-right" href="/ItNews/">更多></a></span></h3> </div> <div class="panel-body row"> <ol> <div class="col-md-6 col-xs-12"> <li class="articleAbout"><a href='/ItNews/16164' title='分析称iPhone 6明年初发布 屏幕变为4.8吋' target="_blank"> 分析称iPhone 6明年初发布 屏幕变为4.8吋</a></li></div> <div class="col-md-6 col-xs-12"> <li 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