phantom-scr-capture.js

    page.open(address, function (status) {
        if (status !== 'success') {
            console.log('Unable to load the address!');
            phantom.exit();
        } else {
            page.evaluate(function() {
                document.body.bgColor = 'white';
            });
            var arr = page.evaluate(function () {
                var pageWidth = document.body.clientWidth;
                var pageHeight = document.body.clientHeight;

                return [pageWidth, pageHeight];
            });

            page.viewportSize = { width: arr[0], height: arr[1] };
            page.render(output);
            phantom.exit();
        }
    });