ContentDM API requests using Javascript/JQuery

contentdm_api_request.js

jQuery(function() {
	// Cross Domain Policy restricted (obviously)
	$.get('https://server15763.contentdm.oclc.org/dmwebservices/index.php?q=dmGetItemInfo/p15763coll5/149/json', function(data) {
		console.log(data);
	}, 'json');

	// JSONP not supported
	$.get('https://server15763.contentdm.oclc.org/dmwebservices/index.php?q=dmGetItemInfo/p15763coll5/149/json', function(data) {
		console.log(data);
	}, 'jsonp');	

	// With the addition of jquery.xdomainajax.js this will work
	// https://github.com/padolsey/jQuery-Plugins/blob/master/cross-domain-ajax/jquery.xdomainajax.js
	$.get('https://server15763.contentdm.oclc.org/dmwebservices/index.php?q=dmGetItemInfo/p15763coll5/149/json', function(data) {
		console.log(data); // an HTML string
		var start    = data.responseText.indexOf("{"); // JSON open
		var end      = data.responseText.lastIndexOf("}"); // JSON close
		var distance = (end - start) + 1;
		var json     = jQuery.parseJSON(data.responseText.substr(start, distance));
		console.log(json);
	});
});

it is sad to learn that contentdm does not support JSONP.