JavaScript 数据类型

本文详细介绍了JavaScript中的主要数据类型:字符串、数字、布尔值、数组、对象、空及未定义等,为读者提供了全面的基础知识。

JavaScript 数据类型


字符串(String)、数字(Number)、布尔(Boolean)、数组(Array)、对象(Object)、空(Null)、未定义(Undefined)。


<!-- ==================== 主表单结构 ==================== --> <table align="center" border="0" cellpadding="0" cellspacing="0" class="tableForm" style="table-layout: fixed;"> <colgroup> <col width="80" /> <col /><!--hide4phone.start--> <col width="80" /> <col width="380" /><!--hide4phone.end--> </colgroup> <tbody> <tr> <td style="text-align: right;">&nbsp;<span style="color: red;">*</span>Subject:</td> <td dbf.type="required" id="dbf.subject">&nbsp;</td> <!--show4phone.start--> </tr> <tr><!--show4phone.end--> <td style="text-align: right;">&nbsp;Status:</td> <td><span id="mapping.dbf.procXSource">&nbsp;</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Responsor: <span id="mapping.dbf.responsorSource">&nbsp;</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Participants: <span id="mapping.dbf.participantsSource">&nbsp;</span></td> </tr> </tbody> </table> <div>&nbsp;</div> <!-- ==================== 页面标题 ==================== --> <div style="text-align: center;"> <h1><img src="../common/logo.png" /> [报价历史查询内勤用]</h1> </div> <div>[Design form here, based on the template below, or customized by yourself after the template removed]</div> <!-- ==================== 查询输入区域 ==================== --> <table align="center" border="0" cellpadding="0" cellspacing="0" class="tableListBorder" style="table-layout: fixed; width: 928px;"> <colgroup> <col width="130" /> <col /><!--hide4phone.start--> <col width="130" /> <col width="330" /><!--hide4phone.end--> </colgroup> <tbody> <tr> <td colspan="4" style="background-color: lightyellow;">&nbsp;</td> </tr> <tr> <td class="fieldLabel" style="text-align: center; width: 147px;"><span style="color: red;">*</span>&nbsp;username</td> <td id="username" style="width: 210px;">&nbsp;</td> <!--show4phone.start--> </tr> <tr><!--show4phone.end--> <td class="fieldLabel" style="text-align: center; width: 63px;"><span style="color: red;">*</span>&nbsp;id</td> <td id="ID" style="width: 254px;">&nbsp;</td> </tr> <tr> <td class="fieldLabel" style="text-align: center;">项目名称</td> <td id="项目名称" style="width: 210px;">&nbsp;</td> <td class="fieldLabel" style="text-align: center;">装置名称</td> <td id="装置名称" style="width: 254px;">&nbsp;</td> </tr> <tr> <td class="fieldLabel" style="text-align: center;">Customer Name</td> <td id="CustomerName" style="width: 210px;">&nbsp;</td> <td class="fieldLabel" style="text-align: center;">E-NO/序列号</td> <td id="ENO" style="width: 254px;">&nbsp;</td> </tr> <tr> <td class="fieldLabel" style="text-align: center;">产品描述</td> <td id="产品描述" style="width: 210px;">&nbsp;</td> <td class="fieldLabel" style="text-align: center;">Remark</td> <td id="Remark" style="width: 254px;">&nbsp;</td> </tr> </tbody> </table> <!-- ==================== 查询结果表格容器 ==================== --> <div id="resultTableContainer" style="margin-top: 20px; padding: 0 10px;"><!-- 动态表格将插入到这里 --></div> <!-- ==================== 手机适配区域(可选)==================== --> <div class="slide4phone"> <table align="center" border="0" cellpadding="0" cellspacing="0" class="tableListBorder2" style="table-layout: fixed;"> <colgroup> <col width="460" /> <col width="140" /> <col /> </colgroup> </table> </div> <!-- ==================== 查询按钮 ==================== --> <div style="text-align: center; margin: 20px 0;">&nbsp; &nbsp; &nbsp; &nbsp; <input id="idslist" name="idslist" type="hidden" /> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <strong> <input id="check" name="check" onclick="clickData()" type="button" value="check个人记录" /> </strong></div> <!-- ==================== 移动端表格占位 ==================== --> <div class="slide4phone2" id="reptable"> <table align="center" border="0" cellpadding="0" cellspacing="0" class="tableListBorder2" style="width: 1300px;"> </table> </div> <script language="javascript"> function clickData(){ var aa='%'+$("username").value().trim()+'%'; var 项目name= '%'+$("项目名称").value().trim()+'%'; var 装置name= '%'+$("装置名称").value().trim()+'%'; var CustomerName= '%'+$("CustomerName").value().trim()+'%'; var ENO= '%'+$("ENO").value().trim()+'%'; var Remark= '%'+$("Remark").value().trim()+'%' var Product描述 = '%'+$("产品描述").value().trim()+'%' // var sqlQuery2 = "SELECT Subject,Status,申请人,申请日期,产品类别,其他,type,内勤,系统,customer,ProjectName,DeviceName,新产品,[E-NO/序列号],目标价,数量,产地,含税报价,HandlerRemark,Remark FROM X_BPM_DWH_819 " var sqlQuery2 = "SELECT Subject,Status,申请人,申请日期,产品类别,其他,type,内勤,系统,customer,ProjectName,DeviceName,新产品,[E-NO/序列号],目标价,数量,产地,含税报价,HandlerRemark,Remark,描述 FROM X_BPM_DWH_819 where ProjectName like '" +项目name+ "' and DeviceName like '"+ 装置name + "' and customer like '"+CustomerName+ "' and [E-NO/序列号] like '"+ENO+ "' and Remark like '"+Remark+ "' and 描述 like '"+Product描述+"'" eval("var arr="+service("common.js","getDbsRecords",sqlQuery2,"array")); alert(arr) 修改页面让 arr结果动态在页面上显示结果
最新发布
09-24
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