When onclick Save as Image button,
I want to save or download Chart to .png or .jpg

$scope.saveAsBinary = function () {
     var svg = document.getElementById('highchartContainer').children[0].innerHTML;
     var base_image = new Image();
     svg = "data:image/svg+xml," + svg;
     base_image.src = svg;
     $('#binaryImage').attr('src', svg);
}
Please check this fiddle