crossGetProviders

crossGet.js

var crossGetProviders = {
    whateverorigin: function crossGet(url) {
        var promise = $.getJSON('http://whateverorigin.org/get?url=' + encodeURIComponent(url) +
            '&callback=?');
        var piped = promise.then(function (response) {
            return response.contents;
        });
        return piped;
    },
    corsproxy: function corsproxy(url) {
        url = url.replace("http://", "").replace("https://", "");
        var promise = $.get('http://www.corsproxy.com/' + url);
        return promise;
    },
    corsproxyio: function corsproxy(url) {
        var promise = $.get('http://cors.corsproxy.io/url=' + url);
        return promise;
    }
};

function crossGet(url, provider) {
    var DEFAULT_PROVIDER = 'corsproxyio';
    provider = (provider && provider in crossGetProviders && provider) || DEFAULT_PROVIDER;

    var promise = crossGetProviders[provider](url);
    return promise;
}

crossGet('http://www.github.com', 'corsproxyio');