Syntax error - MDN Web Docs Glossary: Definitions of Web-related terms 编辑

An exception caused by the incorrect use of a pre-defined syntax. Syntax errors are detected while compiling or parsing source code.

For example, if you leave off a closing brace (}) when defining a JavaScript function, you trigger a syntax error.  Browser development tools display JavaScript and CSS syntax errors in the console.

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General Knowledge

• Syntax error on Wikipedia
• SyntaxError JavaScript object