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  • JavaScript中的indexOf

    JavaScript中的indexOf


    1、JavaScript中利用indexOf拼接字符串

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
      <head>
        
        <title>JavaScript中的indexOf</title>
        
    	<meta http-equiv="pragma" content="no-cache">
    	<meta http-equiv="cache-control" content="no-cache">
    	<meta http-equiv="expires" content="0">    
    	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    	<meta http-equiv="description" content="This is my page">
    	<script type="text/javascript">
    	      function strIndexOf()
    	      {
    	          var str = "水果,总数,总数|水果,苹果,总数|水果,苹果,红富士|树木,总数,总数|树木,松树,总数|树木,松树,红松";
    	          var str1 = "";
    	          var str2 = "";
    	          var str3 = "";
    	          var result = new Array();
    	          result = str.split("|")
    	          for(var i=0;i<result.length;i++)
    	          {
    	              if(result[i].indexOf(",总数,总数") > 0)
    	              {
    	                  str1 += result[i] + "|";
    	              }
    	              else
    	              {
    	                 if(result[i].indexOf(",总数") > 0)
    	                 {
    	                     str2 += result[i] + "|";
    	                 }
    	                 else
    	                 {
    	                    str3 += result[i] + "|";
    	                 }
    	              }
    	          }
    	          str1 = str1.substring(0, str1.length - 1);
    	          str2 = str2.substring(0, str2.length - 1);
    	          str3 = str3.substring(0, str3.length - 1);
    	          alert("str1:" + str1 + "
    " + "str2:" + str2 + "
    " + "str3:" + str3);
    	      }
    	</script>
      </head>
      
      <body>
        <input type="button" value="查询" οnclick="strIndexOf()"/>
      </body>
    </html>
    

    2、运行结果


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  • 原文地址:https://www.cnblogs.com/hzcya1995/p/13315040.html
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