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How to set html title in js

青灯夜游
青灯夜游Original
2021-12-13 14:02:325398browse

Method: 1. Use the "document.getElementsByTagName("title")[0].innerText='value'" statement; 2. Use the "document.title='value'" statement; 3. Use " $('title').html('value')" statement.

How to set html title in js

The operating environment of this tutorial: windows7 system, javascript1.8.5&&jquery1.10.2 version, Dell G3 computer.

js sets the html title title

innerText method

Through console.log(document. getElementsByTagName("title")[0]), and found that the

label can be printed. There are only text nodes in the label, so I guess it can only recognize TextNode, so I used innerText to set the value of title, and it succeeded. <pre class="brush:php;toolbar:false">document.getElementsByTagName("title")[0].innerText = &#39;需要设置的值&#39;;</pre><p class="jb51code"><strong>document.title method</strong><br></p> <p>After testing, the value of title can also be set through document.title. </p><pre class="brush:js;toolbar:false">console.log(document.title); # 可以获取title的值。 document.title = &#39;需要设置的值&#39;; # 设置title的值。</pre><p><strong>jQuery method</strong></p> <p>jQuery method We change the value of title when the browser gains focus and loses focus. You can find that when switching browser tabs, The title has changed. </p> <p> Of course, if your project relies on jQuery, you can use the jq method to set it </p><pre class="brush:php;toolbar:false">$(&#39;title&#39;).html(&#39;需要设置的值&#39;) $(&#39;title&#39;).text(&#39;需要设置的值&#39;)</pre><p> Example: </p><pre class="brush:js;toolbar:false"><!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>hello</title> <script src="js/jquery-1.7.2.min.js"></script> </head> <body> <script type="text/javascript"> // $(&#39;title&#39;).html(&#39;php中文网&#39;); $(&#39;title&#39;).text(&#39;php中文网&#39;); </script> </body> </html></pre><p><img src="https://img.php.cn/upload/image/616/738/796/1639375311415707.png" title="1639375311415707.png" alt="How to set html title in js"></p> <p><span style="font-size: 18px;"><strong>Summary</strong></span></p> <p>In native js, we can dynamically modify the title of the web page in two ways: <code>innerText</code> and <code>document.title</code>.</p> In <p>jq, we can modify it through <code>$('title').html('')</code> or <code>$('title').text('')</code>. </p> <p>[Recommended learning: <a href="https://www.php.cn/course/list/2.html" target="_blank">javascript advanced tutorial</a>]</p>

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