{"json_modified": "2016-04-12T16:20:03.025537", "uuid": "01282d7a-14e0-4306-88a8-624558e8473c", "title": "FormData.has()", "url": "/en-US/docs/Web/API/FormData/has", "tags": ["XHR", "API", "Reference", "XMLHttpRequest", "has", "FormData", "Method"], "translations": [], "modified": "2016-04-12T16:20:03", "label": "FormData.has()", "localization_tags": [], "locale": "en-US", "id": 144471, "last_edit": "2016-04-12T16:19:59", "summary": "The <code><strong>has()</strong></code> method of the <a href=\"/en-US/docs/Web/API/FormData\" title=\"The FormData interface provides a way to easily construct a set of key/value pairs representing form fields and their values, which can then be easily sent using the XMLHttpRequest.send() method. It uses the same format a form would use if the encoding type were set to &quot;multipart/form-data&quot;.\"><code>FormData</code></a> interface returns a boolean stating whether a <code>FormData</code> object contains a certain key.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "append()_Parameters", "title": "Parameters"}, {"id": "Returns", "title": "Returns"}, {"id": "Example", "title": "Example"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/FormData/has", "review_tags": ["technical"]}