gc-deviceid

javascript:void%20function(){var%20t=window.location.href;if(t=t.match(/https\:\/\/connect\.garmin\.com\/modern\/activity\/([0-9]*)/i),null==t||2!=t.length)alert(%22Please%20click%20this%20bookmark%20from%20a%20valid%20Garmin%20Connect%20activity%20page.%20e.g.%20'https://connect.garmin.com/modern/activity/1234567'%22);else{var%20e=t[1],i=new%20XMLHttpRequest;i.open(%22GET%22,%22/modern/proxy/activity-service/activity/%22+e,!0),i.onreadystatechange=function(){if(4==this.readyState){if(200!=this.status)return%20void%20window.alert(%22Failed%20to%20retrieve%20Garmin%20Connect%20activity%20details%22);var%20t=JSON.parse(this.responseText),e=t.metadataDTO.deviceMetaDataDTO.deviceId;window.alert(%22The%20device%20ID%20for%20this%20activity%20is:%20%22+e)}},i.send()}}();