Experience in dealing with garbled characters in JavaScript_javascript skills

Common garbled characters:
1. The client submits data to the background, and the parameter values ​​are garbled, such as: a.aspx?value="Chinese value"&type="%$#((&_ Special symbols";
2. Garbled characters appear after reading data in the background to the client;
3. The js references or css styles between some files are invalid.

Summary of solutions:
1: First, ensure that the file format encoding (i.e. save as format) related to the project is unified to utf-8, especially the format of related CSS and JS files is strongly recommended to be unified to utf-8;

2 : JS involves parameter submission and transmission. Where Chinese, '_' underline, and special symbols may appear, use escape() to encode them before passing them;

Three: If different values ​​have been stored in the database before For the encoded data, set the ContentEncoding attribute encoding of Request and Response to "utf-8" in the background of the relevant display data page

In this way, garbled characters will not reappear

Other netizens responded:
Compile it with Google Clsure Compiler and you can convert Chinese into unicode expression. It doesn’t matter what encoding you use.