LTR (Left To Right) - MDN Web Docs Glossary: Definitions of Web-related terms 编辑

LTR (Left To Right) is a locale property indicating that text is written from left to right. For example, the en-US locale (for US English) specifies left-to-right. Most Western languages, as well as many others around the world, are written LTR.

The opposite of LTR, RTL (Right To Left) is used in other common languages, including Arabic (ar) and Hebrew (he).

Technical reference

• Localization and internationalization