jsonp helper

jsonp.js

(function ( global ) {

	'use strict';

	var jsonp = function ( url, callback ) {
		var script, callbackName = 'jsonp_callback_' + Math.floor( Math.random() * 1000000 );

		window[ callbackName ] = function ( data ) {
			callback( data );
			delete window[ callbackName ];
		};

		script = document.createElement( 'script' );
		script.src = url + callbackName;

		document.body.appendChild( script );
	};

	// export as CommonJS module...
	if ( typeof module !== 'undefined' && module.exports ) {
		module.exports = jsonp;
	}
 
	// ... or as AMD module...
	else if ( typeof define !== 'undefined' && define.amd ) {
		define( function () { return jsonp; });
	}
 
	// ... or as browser global
	else {
		global.jsonp = jsonp;
	}

}( this ));