js实现表格数据搜索

本文实例为大家分享了js实现表格数据搜索的具体代码,供大家参考,具体内容如下

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>表格数据搜索</title>
 <link href="../css/表格数据搜索.css" rel="stylesheet">
</head>
<body>
<input type="text" placeholder="搜索..." id="myInput" onkeyup="myFunction()">
<table id="myTable">
 <tr>
  <th>名称</th>
  <th>城市</th>
 </tr>
 <tr>
  <td>Alfreds Futterkiste</td>
  <td>Germany</td>
 </tr>
 <tr>
  <td>Berglunds snabbkop</td>
  <td>Sweden</td>
 </tr>
 <tr>
  <td>Island Trading</td>
  <td>UK</td>
 </tr>
 <tr>
  <td>Koniglich Essen</td>
  <td>Germany</td>
 </tr>
</table>
<script src="../js/表格数据搜索.js">
</script>
</body>
</html>

CSS:

#myInput{
 background: url('https://static.runoob.com/images/mix/searchicon.png')no-repeat;
 background-position: 10px 12px;
 width:100%;
 padding: 12px 20px 12px 40px;
 border:1px solid #ddd;
 font-size: 16px;
 margin-bottom: 12px;
 border-radius: 6px;
}
#myTable {
 width: 100%;
 border: 1px solid #ddd;
 font-size: 18px;
 border-collapse:collapse;
}
#myTable th,td{
 text-align: left;
 padding:15px 12px;
}
#myTable tr{
 /* 表格添加边框 */
 border-bottom:1px solid #ddd;
}
#myTable tr:hover{
 background-color: #f1f1f1;
}
#myTable th{
 background-color: #f1f1f1;
}

JS:

function myFunction() {
 var myInput=document.getElementById("myInput");
 var filter=myInput.value.toUpperCase();
 var table=document.getElementById("myTable");
 var tr=table.getElementsByTagName("tr");
 //循环列表每一项,查找匹配项
 for(var i=0;i<tr.length;i++) {
  var td = tr[i].getElementsByTagName("td")[0];
  if (td){
   if (td.innerHTML.toUpperCase().indexOf(filter) > -1) {
    tr[i].style.display = "";
   } else {
    tr[i].style.display = "none";
   }
  }
 }
}

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