insertlistityem.js

var createItemWithAttachments = function(listName, listValues){			
	var fileCountCheck = 0;
	var fileNames;			
	var context = new SP.ClientContext.get_current();
        var dfd = $.Deferred();
        var targetList = context.get_web().get_lists().getByTitle(listName);
        context.load(targetList);
        var itemCreateInfo = new SP.ListItemCreationInformation();
        var listItem = targetList.addItem(itemCreateInfo);	 
        listItem.set_item("FirstName", listValues[0].FirstName);
        listItem.set_item("LastName", listValues[0].LastName); 
        listItem.update();
	context.executeQueryAsync(
		function () {
        	    var id = listItem.get_id();
        	    if (listValues[0].Files.length != 0) {
        	    	if (fileCountCheck <= listValues[0].Files.length - 1) {
				loopFileUpload(listName, id, listValues, fileCountCheck).then(
	                    	    function () {
	                    	    },
	                       	    function (sender, args) {
	                       	        console.log("Error uploading");
	                       	        dfd.reject(sender, args);
	                       	    }
                        	);
                	}
        	    }
        	    else {
	        	dfd.resolve(fileCountCheck);
	    	    }
        	},   
        	function(sender, args){
			console.log('Error occured' + args.get_message());	        	
        	}
        );
        return dfd.promise();			
}