JavaScript
JavaScript string literal contains an unescaped line break
SyntaxError: string literal contains an unescaped line break
JavaScript encountered a string literal that spans lines without proper escaping or template literal syntax.
Error AtlasError Documentation and ResolutionObserved message
SyntaxError: string literal contains an unescaped line break
Why it happens
- A quoted string runs onto the next line without proper escaping.
- A multiline value was written using normal quotes instead of a template literal.
- Copy-pasted content inserted a raw newline into a string literal.
How to fix it
- Close the string before the newline or escape the line break correctly.
- Use template literals for multiline strings.
- Check generated source or pasted content for accidental newlines inside quotes.
Official reference
MDN: SyntaxError: string literal contains an unescaped line breakRelated errors
Explore more