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FormData.append()
The
append()
method of the
FormData
interface appends a new value onto an existing key inside a
FormData
object, or adds the key if it does not already exist.
API
Append
FormData
Method
Reference
XHR
XMLHttpRequest
URLSearchParams.append()
API
Append
Experimental
Method
URL API
URLSearchParams
Headers.append()
API
Append
Experimental
Expérimental
Fetch
Method
Reference
Référence
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