天气晴朗，天空万里无云，温暖的阳光洒在人的身上，就像是一位母亲轻轻地抚摸着我们，微风徐徐，波光粼粼，站在美丽的湖边尽情享受大自然的无穷魅力。
功能描述：
在搜索框中输入某一个字段，可以查询到相关的内容
功能实现：
1. 先声明变量用于保存输入框以及表格里面的内容
2. 循环遍历
遍历表格每一行，查找匹配项
3. 判断
如果输入框里面的内容跟表格中某个td的内容相似，则表格中的某行就显示，否则隐藏
功能实现：
<html>
<head>
<style>
#myInput {
width: 100%;
font-size: 16px;
padding: 12px 20px 12px 40px;
border: 1px solid #ddd;
margin-bottom: 12px;
}
#myTable {
border-collapse: collapse;
width: 100%;
border: 1px solid #ddd;
font-size: 18px;
}
#myTable th, #myTable td {
text-align: left;
padding: 12px;
}
#myTable tr {
border-bottom: 1px solid #ddd;
}
#myTable tr.header, #myTable tr:hover {
background-color: #f1f1f1;
}
</style>
</head>
<body>
<input type="text" id="myInput" onkeyup="myFunction()" placeholder="搜索...">
<table id="myTable">
<tr class="header">
<th style="width:60%;">项目名称</th>
<th style="width:40%;">时间</th>
</tr>
<tr>
<td>redPackets</td>
<td>2017.2.6</td>
</tr>
<tr>
<td>traffic</td>
<td>2016.12.25</td>
</tr>
<tr>
<td>creditCard</td>
<td>2017.1.18</td>
</tr>
<tr>
<td>returnMoney</td>
<td>2016.11.25</td>
</tr>
</table>
<script>
function myFunction() {
// 声明变量
var input, filter, table, tr, td, i;
input = document.getElementById("myInput");
filter = input.value.toUpperCase();
table = document.getElementById("myTable");
tr = table.getElementsByTagName("tr");
// 循环表格每一行，查找匹配项
for (i = 0; i < tr.length; i++) {
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";
}
}
}
}
</script>
</body>
</html>
扩展：模拟通讯录搜索提示
<html>
<head>
<style>
#myInput {
width: 100%;
font-size: 16px; /* 加大字体 */
padding: 12px 20px 12px 40px;
border: 1px solid #ddd;
margin-bottom: 12px;
}
#myUL {
list-style-type: none;
padding: 0;
margin: 0;
}
#myUL li a {
border: 1px solid #ddd; /* 链接添加边框 */
margin-top: -1px;
background-color: #f6f6f6;
padding: 12px;
text-decoration: none;
font-size: 18px;
color: black;
display: block;
}
#myUL li a.header {
background-color: #5587A2;
cursor: default;
}
#myUL li a:hover:not(.header) {
background-color: #eee;
}
</style>
</head>
<body>
<input type="text" id="myInput" onkeyup="myFunction()" placeholder="搜索...">
<ul id="myUL">
<li><a rel="nofollow noopener noreferrer" href="#" class="header">A</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Angel</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Adobe</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Anne</a></li>
<li><a rel="nofollow noopener noreferrer" href="#" class="header">B</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Betty</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Bella</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Brown</a></li>
<li><a rel="nofollow noopener noreferrer" href="#" class="header">C</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Calvin</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Chris</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Claire</a></li>
<li><a rel="nofollow noopener noreferrer" href="#" class="header">D</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">David</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Daniel</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Dora</a></li>
<li><a rel="nofollow noopener noreferrer" href="#" class="header">E</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Emily</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Elena</a></li>
<li><a rel="nofollow noopener noreferrer" href="#">Eufemia</a></li>
</ul>
<script>
function myFunction() {
// 声明变量
var input, filter, ul, li, a, i;
input = document.getElementById('myInput');
filter = input.value.toUpperCase();
ul = document.getElementById("myUL");
li = ul.getElementsByTagName('li');
// 循环所有列表，查找匹配项
for (i = 0; i < li.length; i++) {
a = li[i].getElementsByTagName("a")[0];
if (a.innerHTML.toUpperCase().indexOf(filter) > -1) {
li[i].style.display = "";
} else {
li[i].style.display = "none";
}
}
}
</script>
</body>
</html>
到此这篇关于js实现模糊匹配功能就介绍到这了。志在山顶的人，不会贪念山腰的风景。更多相关js实现模糊匹配功能内容请查看相关栏目，小编编辑不易，再次感谢大家的支持！
