Method to set the page title: 1. Use the statement "document.getElementsByTagName("title")[0].innerText='The value that needs to be set';"; 2. Use the statement "document.title = 'Required Set the value of the ';' statement.
The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.
title is a special node element in html
because it can be obtained using document.getElementsByTagName("title")[0]
The title tag of the web page, but its value cannot be changed using document.getElementsByTagName("title")[0].innerHtml
.
After testing, there are two ways to modify the native js, which are introduced below.
JavaScript method of setting page title
1. InnerText method
Through console.log (document.getElementsByTagName("title")[0]), I found that the
document.getElementsByTagName("title")[0].innerText = '需要设置的值';
2. document.title method
After testing, the value of title can also be set through document.title.
console.log(document.title); # 可以获取title的值。 document.title = '需要设置的值'; # 设置title的值。
Example
window.onfocus = function () { document.title = '恢复正常了...'; }; window.onblur = function () { document.title = '快回来~页面崩溃了'; };
[Recommended learning: javascript advanced tutorial]
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