What to do if alert is garbled in javascript

Solution to garbled alert code in JavaScript: 1. Add "charset=utf-8"" to the

part of the HTML; 2. Add "charset="gb2312" to the

## The operating environment of this tutorial: Windows 7 system, JavaScript version 1.8.5, Dell G3 computer.

What should I do if alert is garbled in javascript?

Alert in js external script Solution to Chinese garbled characters

I encountered a problem while working on a project. When I switched to using external references from the js script written in the html document, I found that the Chinese in alert() became Garbled characters.

The page already contains

Finally tried several methods, the following method was successful:

Method 1. Add

Method 2. Add

charset="gb2312"# to the ##Method 3. The most fundamental way is to change the saving encoding of the js external script to utf8: When opening it with the editor, click Save As and select Unicode UTF-8, as shown below:

About the difference between signed and unsigned: When the signed UTF-8 encoded content is parsed by the browser, the browser can determine that UTF-8 encoding is used for parsing directly based on the signature. When there is no signature, the browser will make a judgment based on the encoding of the content. In short, the signature will be easier for the browser to parse with the correct encoding. (This paragraph is excerpted from: UTF-8 Signature and Not The difference between signatures)

Tried unsuccessful methods:
1. You can add charset="utf to the

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