{"json_modified": "2016-03-28T08:48:46.043964", "uuid": "ab6be83a-d68b-42fa-afb6-2cafc84eb783", "title": "URLSearchParams.keys()", "url": "/en-US/docs/Web/API/URLSearchParams/keys", "tags": ["API", "Reference", "Experimental", "URL API", "URLSearchParams", "Method"], "translations": [], "modified": "2016-03-15T14:50:49", "label": "URLSearchParams.keys()", "localization_tags": [], "locale": "en-US", "id": 168713, "last_edit": "2016-03-15T14:50:45", "summary": "The <code><strong>URLSearchParams.keys()</strong></code> method returns an <a href=\"/en-US/docs/Web/JavaScript/Reference/Iteration_protocols\" title=\"One addition of ECMAScript 2015 (ES6) is not new syntax or a new built-in, but a protocol. This protocol can be implemented by any object respecting some conventions.\"><code>iterator</code></a> allowing to go through all keys contained in this object. The keys are <a href=\"/en-US/docs/Web/API/USVString\" title=\"USVString corresponds to the set of all possible sequences of unicode scalar values. USVString maps to a String when returned in JavaScript; it's generally only used for APIs that perform text processing and need a string of unicode scalar values to operate on.\"><code>USVString</code></a> objects.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Return_value", "title": "Return value"}, {"id": "Example", "title": "Example"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/URLSearchParams/keys", "review_tags": []}