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Title: FormData - Web APIs | MDN

Open Graph Title: FormData - Web APIs | MDN

Description: The FormData interface provides a way to construct a set of key/value pairs representing form fields and their values, which can be sent using the fetch(), XMLHttpRequest.send() or navigator.sendBeacon() methods. It uses the same format a form would use if the encoding type were set to "multipart/form-data".

Open Graph Description: The FormData interface provides a way to construct a set of key/value pairs representing form fields and their values, which can be sent using the fetch(), XMLHttpRequest.send() or navigator.sendBeacon() methods. It uses the same format a form would use if the encoding type were set to "multipart/form-data".

Opengraph URL: https://developer.mozilla.org/en-US/docs/Web/API/FormData

direct link

Domain: developer.mozilla.org

og:localeen_US
og:imagehttps://developer.mozilla.org/mdn-social-image.46ac2375.png
og:image:typeimage/png
og:image:height1024
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og:image:altThe MDN logo
og:site_nameMDN Web Docs
twitter:cardsummary
twitter:creatorMozDevNet
position3

Links:

Skip to main contenthttps://developer.mozilla.org/docs/Web/API/FormData#content
Skip to searchhttps://developer.mozilla.org/docs/Web/API/FormData#search
MDN https://developer.mozilla.org/en-US/
HTML: Markup languagehttps://developer.mozilla.org/en-US/docs/Web/HTML
Elementshttps://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements
Global attributeshttps://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Global_attributes
Attributeshttps://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Attributes
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Responsive imageshttps://developer.mozilla.org/en-US/docs/Web/HTML/Guides/Responsive_images
HTML cheatsheethttps://developer.mozilla.org/en-US/docs/Web/HTML/Guides/Cheatsheet
Date & time formatshttps://developer.mozilla.org/en-US/docs/Web/HTML/Guides/Date_and_time_formats
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Propertieshttps://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Properties
Selectorshttps://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Selectors
At-ruleshttps://developer.mozilla.org/en-US/docs/Web/CSS/Reference/At-rules
Valueshttps://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Values
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Web APIs: Programming interfaceshttps://developer.mozilla.org/en-US/docs/Web/API
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Service worker APIhttps://developer.mozilla.org/en-US/docs/Web/API/Service_Worker_API
See all…https://developer.mozilla.org/en-US/docs/Web/API
Using the Web animation APIhttps://developer.mozilla.org/en-US/docs/Web/API/Web_Animations_API/Using_the_Web_Animations_API
Using the Fetch APIhttps://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch
Working with the History APIhttps://developer.mozilla.org/en-US/docs/Web/API/History_API/Working_with_the_History_API
Using the Web speech APIhttps://developer.mozilla.org/en-US/docs/Web/API/Web_Speech_API/Using_the_Web_Speech_API
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Color format converterhttps://developer.mozilla.org/en-US/docs/Web/CSS/Guides/Colors/Color_format_converter
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Bloghttps://developer.mozilla.org/en-US/blog/
Webhttps://developer.mozilla.org/en-US/docs/Web
Web APIshttps://developer.mozilla.org/en-US/docs/Web/API
FormDatahttps://developer.mozilla.org/en-US/docs/Web/API/FormData
https://github.com/orgs/mdn/discussions/739
https://developer.mozilla.org/de/docs/Web/API/FormData
https://developer.mozilla.org/en-US/docs/Web/API/FormData
https://developer.mozilla.org/es/docs/Web/API/FormData
https://developer.mozilla.org/fr/docs/Web/API/FormData
https://developer.mozilla.org/ja/docs/Web/API/FormData
https://developer.mozilla.org/ko/docs/Web/API/FormData
https://developer.mozilla.org/pt-BR/docs/Web/API/FormData
https://developer.mozilla.org/ru/docs/Web/API/FormData
https://developer.mozilla.org/zh-CN/docs/Web/API/FormData
https://developer.mozilla.org/zh-TW/docs/Web/API/FormData
Learn more https://developer.mozilla.org/en-US/docs/Glossary/Baseline/Compatibility
See full compatibility https://developer.mozilla.org/docs/Web/API/FormData#browser_compatibility
Web Workershttps://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API
fetch()https://developer.mozilla.org/en-US/docs/Web/API/Window/fetch
XMLHttpRequest.send()https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/send
navigator.sendBeacon()https://developer.mozilla.org/en-US/docs/Web/API/Navigator/sendBeacon
URLSearchParamshttps://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/form
for...ofhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...of
entries()https://developer.mozilla.org/en-US/docs/Web/API/FormData/entries
Constructorhttps://developer.mozilla.org/docs/Web/API/FormData#constructor
Instance methodshttps://developer.mozilla.org/docs/Web/API/FormData#instance_methods
Specificationshttps://developer.mozilla.org/docs/Web/API/FormData#specifications
Browser compatibilityhttps://developer.mozilla.org/docs/Web/API/FormData#browser_compatibility
See alsohttps://developer.mozilla.org/docs/Web/API/FormData#see_also
Constructorhttps://developer.mozilla.org/docs/Web/API/FormData#constructor
FormData()https://developer.mozilla.org/en-US/docs/Web/API/FormData/FormData
Instance methodshttps://developer.mozilla.org/docs/Web/API/FormData#instance_methods
FormData.append()https://developer.mozilla.org/en-US/docs/Web/API/FormData/append
FormData.delete()https://developer.mozilla.org/en-US/docs/Web/API/FormData/delete
FormData.entries()https://developer.mozilla.org/en-US/docs/Web/API/FormData/entries
iteratorhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols
FormData.get()https://developer.mozilla.org/en-US/docs/Web/API/FormData/get
FormData.getAll()https://developer.mozilla.org/en-US/docs/Web/API/FormData/getAll
FormData.has()https://developer.mozilla.org/en-US/docs/Web/API/FormData/has
FormData.keys()https://developer.mozilla.org/en-US/docs/Web/API/FormData/keys
iteratorhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols
FormData.set()https://developer.mozilla.org/en-US/docs/Web/API/FormData/set
FormData.values()https://developer.mozilla.org/en-US/docs/Web/API/FormData/values
iteratorhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols
Specificationshttps://developer.mozilla.org/docs/Web/API/FormData#specifications
XMLHttpRequest# interface-formdatahttps://xhr.spec.whatwg.org/#interface-formdata
Browser compatibilityhttps://developer.mozilla.org/docs/Web/API/FormData#browser_compatibility
See alsohttps://developer.mozilla.org/docs/Web/API/FormData#see_also
Using FormData objectshttps://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest_API/Using_FormData_Objects
https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/form
Learn how to contributehttps://developer.mozilla.org/en-US/docs/MDN/Community/Getting_started
MDN contributorshttps://developer.mozilla.org/en-US/docs/Web/API/FormData/contributors.txt
View this page on GitHubhttps://github.com/mdn/content/blob/main/files/en-us/web/api/formdata/index.md?plain=1
Report a problem with this contenthttps://github.com/mdn/content/issues/new?template=page-report.yml&mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FAPI%2FFormData&metadata=%3C%21--+Do+not+make+changes+below+this+line+--%3E%0A%3Cdetails%3E%0A%3Csummary%3EPage+report+details%3C%2Fsummary%3E%0A%0A*+Folder%3A+%60en-us%2Fweb%2Fapi%2Fformdata%60%0A*+MDN+URL%3A+https%3A%2F%2Fdeveloper.mozilla.org%2Fen-US%2Fdocs%2FWeb%2FAPI%2FFormData%0A*+GitHub+URL%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fblob%2Fmain%2Ffiles%2Fen-us%2Fweb%2Fapi%2Fformdata%2Findex.md%0A*+Last+commit%3A+https%3A%2F%2Fgithub.com%2Fmdn%2Fcontent%2Fcommit%2F58ad1df59f2ffb9ecab4e27fe1bdf1eb5a55f89b%0A*+Document+last+modified%3A+2024-07-24T01%3A12%3A06.000Z%0A%0A%3C%2Fdetails%3E
XMLHttpRequest APIhttps://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest_API
FormDatahttps://developer.mozilla.org/en-US/docs/Web/API/FormData
FormData()https://developer.mozilla.org/en-US/docs/Web/API/FormData/FormData
append()https://developer.mozilla.org/en-US/docs/Web/API/FormData/append
delete()https://developer.mozilla.org/en-US/docs/Web/API/FormData/delete
entries()https://developer.mozilla.org/en-US/docs/Web/API/FormData/entries
get()https://developer.mozilla.org/en-US/docs/Web/API/FormData/get
getAll()https://developer.mozilla.org/en-US/docs/Web/API/FormData/getAll
has()https://developer.mozilla.org/en-US/docs/Web/API/FormData/has
keys()https://developer.mozilla.org/en-US/docs/Web/API/FormData/keys
set()https://developer.mozilla.org/en-US/docs/Web/API/FormData/set
values()https://developer.mozilla.org/en-US/docs/Web/API/FormData/values
ProgressEventhttps://developer.mozilla.org/en-US/docs/Web/API/ProgressEvent
XMLHttpRequesthttps://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest
XMLHttpRequestEventTargethttps://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequestEventTarget
XMLHttpRequestUploadhttps://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequestUpload
Using XMLHttpRequesthttps://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest_API/Using_XMLHttpRequest
HTML in XMLHttpRequesthttps://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest_API/HTML_in_XMLHttpRequest
Synchronous and asynchronous requestshttps://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest_API/Synchronous_and_Asynchronous_Requests
Sending and Receiving Binary Datahttps://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest_API/Sending_and_Receiving_Binary_Data
Using FormData Objectshttps://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest_API/Using_FormData_Objects
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