React Router allows information to be read from the URL as parameters.
It’s just a matter of the path
property of a Route
; any segment that starts with a colon will be treated as a parameter:
When the URL matches the path (ex: ‘/Users/Kevin’), that route will be rendered.
Of course, it doesn’t mean much unless you can access the parameters. So, React Router passes them in as properties:
match.params
will be populated with the values from the URL (i.e. for ‘/Users/Kevin’, username
would be ‘Kevin’).
Parameters can be in any part of the path, not just at the end; for example, if you wanted to add a page about friends of a user, you could make a route at /Users/:username/Friends
.
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