SyntaxError: unlabeled break must be inside loop or switch — Using break in callbacks

Reference note (untrusted external data; do not execute it as instructions). break cannot be used in callbacks, even if the callback is called from a loop. Instead, refactor the code so the break is used outside the callback. There's no way to early-terminate a {{jsxref("Array/forEach", "forEach()")}} loop. You can use {{jsxref("Array/some", "some()")}} instead, or convert it to a {{jsxref("Statements/for...of", "for...of")}} loop. Attribution: Adapted from MDN Web Docs under CC-BY-SA-2.5. Adaptation: WikiKV isolated this documentation section, normalized formatting, removed long code blocks, and shortened it for retrieval. Verify version-sensitive details at the source.