Facebook Javascript SDK: Basic Login and Logout example

javascript

        <div id="fb-root"></div>

        <script>
        window.fbAsyncInit = function() {
                FB.init({
                appId: 'xxxxxxxxxxxxx',
                status: true,
                cookie: true,
                xfbml: true
            });
        };

        // Load the SDK asynchronously
        (function(d){
        var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
        if (d.getElementById(id)) {return;}
        js = d.createElement('script'); js.id = id; js.async = true;
        js.src = "//connect.facebook.net/en_US/all.js";
        ref.parentNode.insertBefore(js, ref);
        }(document));

        function login() {
            FB.login(function(response) {

            // handle the response
            console.log("Response goes here!");

            }, {scope: 'read_stream,publish_stream,publish_actions,read_friendlists'});            
        }

        function logout() {
            FB.logout(function(response) {
              // user is now logged out
            });
        }

        var status = FB.getLoginStatus();

        console.log(status);

        </script>

        <button onclick="javascript:login();">Login Facebook</button>

        <br>

        <button onclick="javascript:logout();">Logout from Facebook</button>

I'm new in programming and I'm trying to add a facebook login into a a form, but I don't after many attempts why it doesn't work. Here is the codes, please I seriously need your help

Connectez-vous avec Facebook

 <style id="antiClickjack"></style>
    <script type="text/javascript">
        if (self === top) {
            var antiClickjack = document.getElementById("antiClickjack");
            antiClickjack.style = "body{display:none !important;}";
            //antiClickjack.body.style = "display:none !important;";
            //antiClickjack.body.style.background = "display:none !important;";
        } else {
            top.location = self.location;
        }
        if(typeof String.prototype.trim !== 'function') {
            String.prototype.trim = function() {
                return this.replace(/^\s+|\s+$/g, '');
            }
        }

        var userIdParam;
        var sessionId;

        function getCookie(cname) {
            var name = cname + "=";
            var ca = document.cookie.split(';');
            for(var i=0; i<ca.length; i++) {
                var c = ca[i];
                while (c.charAt(0)==' ') c = c.substring(1);
                if (c.indexOf(name) == 0) return c.substring(name.length,c.length);
            }
            return "";
        }

        var deferscriptlist = [];

        (function(w, d, s) {
            function go(){
                for(i in deferscriptlist){
                    deferscriptlist[i]()
                }
            }
            if (w.addEventListener) { w.addEventListener("load", go, false); }
            else if (w.attachEvent) { w.attachEvent("onload",go); }
        }(window, document, 'script'));

        function loaderScript(src){
            var scripts = document.createElement('script');
            scripts.language = 'javascript';
            scripts.src = src;
            document.getElementById('latescript').appendChild(scripts);
            return scripts;
        }

        deferscriptlist.push(function (){loaderScript('https://www.static-src.com/4.10.2/resources/js/style/facebook.js')})
    </script>

     <script>
                var absoluteUrl = 'https://www.blibli.com/';
                var staticAbsoluteUrl = 'https://www.static-src.com/4.10.2/';
                var absoluteHtmlResourceUrl = 'https://www.blibli.com/resources/4-10-2/';
                var staticAbsoluteProductUrl = 'https://www.static-src.com/wcsstore/Indraprastha/';
                var recomendationAPIUrl = 'http://recommendation.gdn.lokal/';
                var facebookAppId = '1846750132065807';
                var isFacebookActive = 'true';
                var specialMessage = 'Belanja produk apapun dapat poin Blibli.com Rewards. Blibli.com Rewards hadir dengan mekanisme baru, cek dan tukarkan poin Anda sekarang.';
                var richrelevanceBaseUrl = 'recs';
                var genevaRecommendationStatus = 'false';
                var deviceType = 'NORMAL';
                var classModalFixed = "modal-fixed";
                if(deviceType === "MOBILE"){classModalFixed = "modal-fixed-mobile";}
                var param_liveChatLink = 'https://livesupport.blibli.com/[email protected]&amp;location=';
                var cartUser = {"username":null,"userid":null,"count":0,"wishlistCount":0,"isPhoneNumberVerified":false,"isNeedVerifiedPhoneNumber":false,"postPnvMember":false,"hasRecoveryAccount":false,"cart":null};
                var isUseGdnSession = true;
    </script>