Query String Encoding: How to Safely Pass Data in URLs
Encode query parameters correctly: when to use encodeURIComponent vs encodeURI, handling arrays, nested objects, and special characters in GET requests.
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Tags: encoding, url, developer-tools
Query String Encoding: How to Safely Pass Data in URLs Query strings look simple. . But the moment your values contain ampersands, equals signs, arrays, or non-ASCII text, the simplicity evaporates. This guide covers everything you need to build query strings safely — from encoding individual values to handling arrays and nested objects, with the API as your primary tool. --- Query String Basics A query string starts after the in a URL and ends at the (fragment) or end of the URL. It consists of key-value pairs separated by , with keys and values connected by . The structural characters — , , — have special meaning. Any data value that contains these characters must be percent-encoded before being placed in the query string, or the server will misparse your parameters. --- Encoding…
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