Insert Event in Google Calendar With Javascript -

my client id correct hidden in example.

i need posting event calendar. believe have code correct need else's eyes.

i need post event calendar.

scopes = ["https://www.googleapis.com/auth/calendar"] function checkauth() {     gapi.auth.authorize(       {         'client_id': client_id,         'scope': scopes.join(' '),         'immediate': true       }, handleauthresult);   }    /**    * handle response authorization server.    *    * @param {object} authresult authorization result.    */   function handleauthresult(authresult) {     var authorizediv = document.getelementbyid('authorize-div');     if (authresult && !authresult.error) {       // hide auth ui, load client library.       authorizediv.style.display = 'none';       loadcalendarapi();     } else {       // show auth ui, allowing user initiate authorization       // clicking authorize button.       authorizediv.style.display = 'inline';     }   }    /**    * initiate auth flow in response user clicking authorize button.    *    * @param {event} event button click event.    */   function handleauthclick(event) {     gapi.auth.authorize(       {client_id: client_id, scope: scopes, immediate: false},       handleauthresult);     return false;   }    /**    * load google calendar client library. list upcoming events    * once client library loaded.    */   function loadcalendarapi() {     gapi.client.load('calendar', 'v3', listupcomingevents);   }    /**    * print summary , start datetime/date of next ten events in    * authorized user's calendar. if no events found    * appropriate message printed.    */   function listupcomingevents() {     var event = { "summary":"here" "description":"now" "start": { "datetime":"2016-04-21t12:00:00.000-07:00" "timezone":"america/los_angeles" } "end": { "datetime":"2016-04-21t12:30:00.000-07:00" "timezone":"america/los_angeles" } }; var request = gapi.client.calendar.events.insert({ 'calendarid': 'primary', 'resource': event });  request.execute(function(event) { appendpre('event created: ' + event.htmllink); });    }