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How jQuery implements front-end search function

php中世界最好的语言Original: 2017-12-31 11:05:391726browse

What I bring to you this time is jQueryHow to implement the front-end search function. The front-end search function requires a combination of HTML and jQuery. This article will give you a good analysis.

html Code:

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>工程轻量化与可靠性技术实验室</title>
</head>
<body>
<div class="content-right">
   <input type="text"><input type="submit" value="搜索">
   <h3>应用流体学</h3>
   <ul id="content_news_list">
    <li><span>2015-7-8</span><a href="">这里是文章的标题1</a></li>
    <li><span>2015-7-8</span><a href="">这里是文章的标题2</a></li>
    <li><span>2015-7-8</span><a href="">这里是文章的标题3</a></li>
    <li><span>2015-7-8</span><a href="">这里是文章的标题4</a></li>
    <li><span>2015-7-8</span><a href="">这里是文章的标题5</a></li>
    <li><span>2015-7-8</span><a href="">这里是文章的标题6</a></li>
    <li><span>2015-7-8</span><a href="">这里是文章的标题6</a></li>
    <li><span>2015-7-8</span><a href="">这里是文章的标题6</a></li>
    <li><span>2015-7-8</span><a href="">这里是文章的标题6</a></li>
    <li><span>2015-7-8</span><a href="">这里是文章的标题4</a></li>
   </ul>
  </div>
</body>

jQuery Code:

<script type="text/javascript">
  $(function(){
   $("input[type=text]").change(function () {
    var searchText = $(this).val();//获取输入的搜索内容
    var $searchLi = "";//预备对象，用于存储匹配出的li
    if (searchText != "") {
     //获取所有匹配的li
     $searchLi = $("#content_news_list").find(&#39;a:contains(&#39;+ searchText +&#39;)&#39;).parent();
     //将内容清空
     $("#content_news_list").html("");
    }
    //将获取的元素追加到列表中
    $("#content_news_list").html($searchLi).clone();
    //判断搜索内容是否有效，若无效，输出not find
    if ($searchLi.length <= 0) {
     $("#content_news_list").html("<li>not find</li>")
    }
   })
   $("input[type=submit]").click(function () {
    $("searchText").change();
   })
  })
</script>

Retrieve elements in the list by keyword and add them to ul.

$(':contains(text)') gets the element containing the specified character. The string can be text directly contained in the element, or contained in a child element .

This method implements a simple retrieval function by determining whether the obtained element contains the searched characters.

I believe you have mastered the method after reading the above introduction. For more exciting information, please pay attention to other related articles on the php Chinese website!

How jQuery implements front-end search function

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