Web encoding

1. Web Text Encoding

2. Decode Transfer Encode text browser Web Server editor Content-Type: charset= save as ... Default charset html <meta charset=””

3. • content-type • charset • encoding • escape

4. Html • http content-type > html meta > charset • , char reference, html entity (€ € €)

5. url, form • url: ASCII only, Percent encoding • form submit • ajax submit

6. Javascript • String.fromCharCode: unicode • charCodeAt unicode • escape, encodeURI, encodeURIComponent

7. alipay • page, uisvr gbk, why gbk? • js css utf-8 • ajax utf-8 • sofa • login goto

8. • •

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