How jQuery implements front-end search function
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('a:contains('+ searchText +')').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!
Related reading:
How to use Vue’s custom instructions to complete a drop-down menu
How can JS click to jump to the logged-in personal mailbox
The above is the detailed content of How jQuery implements front-end search function. For more information, please follow other related articles on the PHP Chinese website!
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