Trình phân tích cú pháp URL
Chia URL thành giao thức, máy chủ, đường dẫn, thông số
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What is URL Parser?
A URL has multiple components — scheme, username, password, hostname, port, path, query parameters, and fragment — and parsing them correctly in code requires careful handling of encoding and special cases. DailyDevTools' URL Parser breaks any URL into all its individual components with a clear visual breakdown, and lets you build URLs from parts by filling in each component separately.
How to use URL Parser
- 1Paste any URL into the input field — it is parsed instantly into all components
- 2Review each component: protocol, hostname, port, pathname, search params, and hash
- 3Expand the Query Parameters section to see each parameter name and value decoded
- 4Use the URL Builder to compose a URL by filling in each field separately
Frequently asked questions
What are the components of a URL?
A full URL has: scheme (https), authority (user:pass@host:port), path (/path/to/page), query string (?key=value&key2=value2), and fragment (#section). Not all components are required in every URL.
How do I parse query parameters in JavaScript?
Use the built-in URLSearchParams API: const params = new URLSearchParams(window.location.search); then params.get('key') to get a value. This handles percent-decoding automatically.
What is the fragment (#hash) part of a URL used for?
The fragment identifies a section within a document (like #introduction on a page). Browsers scroll to the matching id attribute. Fragments are not sent to the server — they are processed client-side only.
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