beforeSend
Type:
Function parameters:
options:
The request parameters. When jQuery is used, this object can contain jQuery.ajax()-supported fields.
Object structure:
Name | Type | Description |
---|---|---|
url |
The request URL. |
|
method |
The request method ("GET", "POST", "PATCH", or "MERGE"). |
|
headers |
The request headers. |
|
xhrFields |
Native XMLHttpRequest object properties. |
|
data |
A query string that contains data to be sent to the server. |
|
dataType |
The expected result's data type. |
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