How to detect loading state of a Google Doubleclick for Publishers DFP Ad?
问题 We have a series of DFP ads on a page that get refreshed automatically using the javascript refresh() call each time a user clicks each thumbnail icon on a gallery viewer: googletag.pubads().refresh(); The problem is that if a user clicks through the gallery quickly, the ads keep refreshing for every click so that eventually blank ads can occur as the system is unable to keep up with the user clicks. Hence I'd like to only call refresh only if the ad has completely finished loading. Is there