jquery修改title值的方法：1、使用text()，可以修改title标签值，语法“$("title").text("新值");”；2、使用attr()，可以修改title属性值，语法“元素.attr("title","新值");”。
本教程操作环境：windows7系统、jquery1.10.2版本、Dell G3电脑。
在HTML中，title值有两种：
那么怎么使用jquery修改这两种title值呢，下面给大家介绍一下
1、jquery修改title标签值
标签定义文档的标题，在所有 HTML 文档中是必需的。</p>
<blockquote>
<p><title>元素：</p>
<ul style="list-style-type: disc;">
<li><p>定义浏览器工具栏中的标题</p></li>
<li><p>提供页面被添加到收藏夹时的标题</p></li>
<li><p>显示在搜索引擎结果中的页面标题</p></li>
</ul>
</blockquote>
<p>修改title标签值可以使用<code>text()</code>方法。text() 方法可以返回被选元素的文本内容。</p>
<p>示例：<br></p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'><!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>文档的旧标题</title>
<script src="js/jquery-1.10.2.min.js"></script>
<script>
$(document).ready(function() {
$("button").click(function() {
$("title").text("新的文档标题");
});
});
</script>
</head>
<body>
<button>修改title文档标题</button>
</body>
</html></pre><div class="contentsignin">登录后复制</div></div><p><strong>2、jquery修改title属性值</strong></p><p>title 属性规定关于元素的额外信息。</p><p>这些信息通常会在鼠标移到元素上时显示一段工具提示文本（tooltip text）。</p><p>修改title属性值可以使用<code>attr()</code>方法，该方法可以设置被选元素的指定属性的值。</p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'><!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script src="js/jquery-1.10.2.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("button").click(function() {
$("div").attr("title","新title值");
});
});
</script>
</head>
<body>
<div title="这是title属性">这是一个测试文本</div>
<br><br>
<button>修改元素的title属性</button>
</body>
</html></pre><div class="contentsignin">登录后复制</div></div><p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/image/738/447/861/1650451875735332.gif" class="lazy" alt="jquery怎么修改title值" ></p>
<p>【推荐学习：<a href="https://www.php.cn/course/list/19.html" target="_blank" textvalue="jQuery视频教程">jQuery视频教程</a>、<a href="https://www.php.cn/course/list/1.html" target="_blank" textvalue="web前端视频">web前端视频</a>】</p><p>以上是jquery怎么修改title值的详细内容。更多信息请关注PHP中文网其他相关文章！</p>
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