Run a bunch of ajax requests linearly. Each request may have unique ajax settings, or shared settings. Explanation from http://stackoverflow.com/a/4414911 for which this code is based: * Make an array of objects that contain the needed elements for the requests. * Make a function that accepts the array. * The function removes the first item from…

recursiveAjax.js

// recursive ajax (based on code from from http://stackoverflow.com/a/4414911)
function recursiveAjax( arrSettings, commonSettings, raData ) {
	if ( typeof raData === "undefined" ) raData = { total: arrSettings.length };
	raData.index = raData.total - arrSettings.length;
	var currentSettings = arrSettings.shift(); // Remove the first item from the Array.
	var defaultSettings = { raTimeout: 100, raFinished: function( raData ){/* do nothing */} };
	var settings        = $.extend( {}, defaultSettings, commonSettings, currentSettings );
	
	setTimeout( function() {
		
		$.ajax($.extend({},settings,{
			success: function( data, textStatus, jqXHR ) { 
				settings.success( data, textStatus, jqXHR, raData );
				if( arrSettings.length ) {
					recursiveAjax( arrSettings, commonSettings, raData );  // If there are items left in the Array, make a recursive call
				} else {
					settings.raFinished( raData );
				}
			}
		}));
		
	}, settings.raTimeout);
}