screenshot multiple urls with phantomjs.

screenshot.js

var page = require('webpage').create();
page.onConsoleMessage = function (msg) {
    // console.log(msg);
};
var items = [
    {name:'espn',url:'http://espn.go.com/nfl/'},
    {name:'google',url:'http://google.com/'},
];// array with items.
(function recursion(){
    if(items.length == 0) phantom.exit();
    var _item = items[0];
    page.open(_item.url, function() {
        console.log('opened '+_item.name);
        page.render('screenshot_'+_item.name+'.png');
        items.shift();
        recursion();
    });
})();