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vivo Internet Technology

Jul 3, 2019 · Frontend Development

Common Front-End Error Types and Their Capture Methods

Front‑end monitoring must capture JavaScript runtime errors, resource loading failures, unhandled promise rejections, and asynchronous request issues using window.onerror, error event listeners, unhandledrejection handlers, and fetch/XHR wrappers, while also handling framework‑specific hooks and cross‑origin script restrictions through CORS or manual try‑catch reporting.