Function callback

external/.datatables.js:3773–3800

(json)

		var ajax = oSettings.ajax
		var instance = oSettings.oInstance
		var callback = function (json) {
			var status = oSettings.jqXHR ? oSettings.jqXHR.status : null

			if (json === null || (typeof status === "number" && status == 204)) {
				json = {}
				_fnAjaxDataSrc(oSettings, json, [])
			}

			var error = json.error || json.sError
			if (error) {
				_fnLog(oSettings, 0, error)
			}

			// Microsoft often wrap JSON as a string in another JSON object
			// Let's handle that automatically
			if (json.d && typeof json.d === "string") {
				try {
					json = JSON.parse(json.d)
				} catch (e) {
					// noop
				}
			}

			oSettings.json = json

			_fnCallbackFire(oSettings, null, "xhr", [oSettings, json, oSettings.jqXHR], true)
			fn(json)
		}

		if ($.isPlainObject(ajax) && ajax.data) {
			ajaxData = ajax.data