实例
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Document</title>
</head>
<body>
<input type="text"><button onclick="search(this)">搜索</button>
<table border="1" width="800" align="center" id="mytab">
<tr>
<td>ID</td>
<td>Name</td>
<td>Sex</td>
<td>Age</td>
<td>City</td>
</tr>
<tr>
<td>1</td>
<td>Jack</td>
<td>人妖</td>
<td>80</td>
<td>泰国</td>
</tr>
<tr>
<td>2</td>
<td>Jack</td>
<td>人妖</td>
<td>80</td>
<td>泰国</td>
</tr>
<tr>
<td>3</td>
<td>john</td>
<td>男</td>
<td>80</td>
<td>泰国</td>
</tr>
<tr>
<td>4</td>
<td>Tom</td>
<td>男</td>
<td>80</td>
<td>泰国</td>
</tr>
<tr>
<td>5</td>
<td>Rose</td>
<td>女</td>
<td>80</td>
<td>泰国</td>
</tr>
</table>
</body>
<script type="text/javascript">
var mytab = document.getElementById('mytab');
function search(obj){
console.log(obj.previousSibling.value);
//获取input框中的搜索内容，搜索关键字
var keyword = obj.previousSibling.value;
if(keyword ==''){
return false;
}
//遍历所有的行
for(var i=1;i<mytab.rows.length;i++){
//还原原来的颜色
mytab.rows[i].bgColor='white';
//遍历单元格
for(var j=0;j<mytab.rows[i].cells.length;j++){
//获取每个单元格的值
if(mytab.rows[i].cells[j].innerHTML.indexOf(keyword)!=-1){
mytab.rows[i].bgColor="yellowgreen";
}
}
}
}
</script>
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