capture/noworkflow/jupyter/extension.js
function(method, data, callback) {
      xhr.open(method, url, true, user, password);
      if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*");
      if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); });
      if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType);
      if (responseType != null) xhr.responseType = responseType;
      if (timeout > 0) xhr.timeout = timeout;
      if (callback == null && typeof data === "function") callback = data, data = null;
      if (callback != null && callback.length === 1) callback = fixCallback(callback);
      if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); });
      event.call("beforesend", request, xhr);
      xhr.send(data == null ? null : data);
      return request;
    }
function(method, data, callback) {
      xhr.open(method, url, true, user, password);
      if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*");
      if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); });
      if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType);
      if (responseType != null) xhr.responseType = responseType;
      if (timeout > 0) xhr.timeout = timeout;
      if (callback == null && typeof data === "function") callback = data, data = null;
      if (callback != null && callback.length === 1) callback = fixCallback(callback);
      if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); });
      event.call("beforesend", request, xhr);
      xhr.send(data == null ? null : data);
      return request;
    }
function ( method , data , callback ) { xhr . open ( method , url , true , user , password ) ; if ( mimeType != null && ! headers . has ( "accept" ) ) headers . set ( "accept" , mimeType + ",*/*" ) ; if ( xhr . setRequestHeader ) headers . each ( function ( value , name ) { xhr . setRequestHeader ( name , value ) ; } ) ; if ( mimeType != null && xhr . overrideMimeType ) xhr . overrideMimeType ( mimeType ) ; if ( responseType != null ) xhr . responseType = responseType ; if ( timeout > 0 ) xhr . timeout = timeout ; if ( callback == null && typeof data === "function" ) callback = data , data = null ; if ( callback != null && callback . length === 1 ) callback = fixCallback ( callback ) ; if ( callback != null ) request . on ( "error" , callback ) . on ( "load" , function ( xhr ) { callback ( null , xhr ) ; } ) ; event . call ( "beforesend" , request , xhr ) ; xhr . send ( data == null ? null : data ) ; return request ; }
If callback is non-null, it will be used for error and load events.
If callback is non - null it will be used for error and load events .