Sharepoint 2010 Javascript CSOM

SPQueryHandler.js

/* Usage http://allthatjs.com/2012/04/03/using-sharepoint-csom-in-html5-apps/
	 *
	 *
		var SPQH = new SPQueryHandler('/intranet/ei/docei/conceptetfonctionnement');
		SPQH.doWhenReady(function(){
		// set operations here
			SPQH.getPages();
		});
	 *
	 */


var SPQueryHandler= function(url){
	var that = this;
	this.siteUrl = url;
	this.clientContext;
	this.isReady = false;
	this.fnStack = new Array();
	
	var interval = setInterval(function(){
		if(SP !== undefined){
			clearInterval(interval);
			that.init();	
		}
	},20);
};

SPQueryHandler.prototype.init = function(){
	var that = this;
	
	var interval = setInterval(function(){
		if(SP.ClientContext !== undefined){
			clearInterval(interval);
			
			that.clientContext = new SP.ClientContext(that.siteUrl);
			that.clientContext.add_requestFailed(function (sender, args) {
			    alert('Request failed: ' + args.get_message());
			});
			
			that.isReady = true;

			if(that.whenReady !== undefined){
				that.whenReady();
			}
		}
	});
};

SPQueryHandler.prototype.doWhenReady  = function(fn){
	if(typeof fn == 'function'){
		this.whenReady = fn;
	}
};

	
// http://allthatjs.com/2012/04/03/using-sharepoint-csom-in-html5-apps/
SPQueryHandler.prototype.getDocuments = function(){
	var that = this;

	var web = that.clientContext.get_web();
	var list = web.get_lists().getByTitle('Documents');
	var items = list.getItems('');
	var itemsArray = [];
	
	that.clientContext.load(items);
	that.clientContext.executeQueryAsync(function () {
      var listEnumerator = items.getEnumerator();
      while (listEnumerator.moveNext()) {
          var item = listEnumerator.get_current();
          itemsArray.push(item.get_fieldValues());
          console.log(item.get_fieldValues());
      }
      return itemsArray;
  });

};

SPQueryHandler.prototype.getPages = function(){
    var that = this;

    var web = that.clientContext.get_web();
    var list = web.get_lists().getByTitle('Pages');
    var items = list.getItems(SP.CamlQuery.createAllItemsQuery());
    
    that.clientContext.load(items);
    
    that.clientContext.add_requestSucceeded(function(){
        var itemsValues = items.get_data().map(function(item){
            return item.get_fieldValues() 
        });
        console.log(itemsValues); //result
    });
    that.clientContext.executeQueryAsync();   
};

return SPQueryHandler;