Question

如何在搜索字段旁边添加按钮？

这是一个列表 jQuery 过滤器。我从 w3school 复制了这个。搜索在此代码中自动工作，但我希望通过按钮完成搜索。

如果有人可以帮助我，这对我很有帮助。

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
  $("#myInput").on("keyup", function() {
    var value = $(this).val().toLowerCase();
    $("#myTable tr").filter(function() {
      $(this).toggle($(this).text().toLowerCase().indexOf(value) > -1)
    });
  });
});
</script>
<style>
table {
  font-family: arial, sans-serif;
  border-collapse: collapse;
  width: 100%;
}

td, th {
  border: 1px solid #dddddd;
  text-align: left;
  padding: 8px;
}

tr:nth-child(even) {
  background-color: #dddddd;
}
</style>
</head>
<body>

<h2>Filterable Table</h2>
<p>Type something in the input field to search the table for first names, last names or emails:</p>  
<input id="myInput" type="text" placeholder="Search..">
<br><br>

<table>
  <thead>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
    <th>Email</th>
  </tr>
  </thead>
  <tbody id="myTable">
  <tr>
    <td>John</td>
    <td>Doe</td>
    <td>john@example.com</td>
  </tr>
  <tr>
    <td>Mary</td>
    <td>Moe</td>
    <td>mary@mail.com</td>
  </tr>
  <tr>
    <td>July</td>
    <td>Dooley</td>
    <td>july@greatstuff.com</td>
  </tr>
  <tr>
    <td>Anja</td>
    <td>Ravendale</td>
    <td>a_r@test.com</td>
  </tr>
  </tbody>
</table>
  
<p>Note that we start the search in tbody, to prevent filtering the table headers.</p>

</body>
</html>

Answer 1

使用事件点击按钮：

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
  $("#button").on("click", function() {
    var value = $('#myInput').val().toLowerCase();
    $("#myTable tr").filter(function() {
      $(this).toggle($(this).text().toLowerCase().indexOf(value) > -1)
    });
  });
});
</script>
<style>
table {
  font-family: arial, sans-serif;
  border-collapse: collapse;
  width: 100%;
}

td, th {
  border: 1px solid #dddddd;
  text-align: left;
  padding: 8px;
}

tr:nth-child(even) {
  background-color: #dddddd;
}
</style>
</head>
<body>

<h2>Filterable Table</h2>
<p>Type something in the input field to search the table for first names, last names or emails:</p>  
<input id="myInput" type="text" placeholder="Search..">
<button id="button">Search</button>
<br><br>

<table>
  <thead>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
    <th>Email</th>
  </tr>
  </thead>
  <tbody id="myTable">
  <tr>
    <td>John</td>
    <td>Doe</td>
    <td>john@example.com</td>
  </tr>
  <tr>
    <td>Mary</td>
    <td>Moe</td>
    <td>mary@mail.com</td>
  </tr>
  <tr>
    <td>July</td>
    <td>Dooley</td>
    <td>july@greatstuff.com</td>
  </tr>
  <tr>
    <td>Anja</td>
    <td>Ravendale</td>
    <td>a_r@test.com</td>
  </tr>
  </tbody>
</table>
  
<p>Note that we start the search in tbody, to prevent filtering the table headers.</p>

</body>
</html>

如何向此 HTML 代码添加搜索按钮

1 个答案: