hashchangeThe hashchange event fires when the URL fragment identifier (the part of the URL starting with #) of the current page has changed.widely2015-07-292018-01-29https://html.spec.whatwg.org/multipage/nav-history-apis.html#the-hashchangeevent-interfacehashchangehttps://developer.mozilla.org/docs/Web/API/HashChangeEventapi.HashChangeEventapi.HashChangeEvent.HashChangeEventapi.HashChangeEvent.newURLapi.HashChangeEvent.oldURLapi.Window.hashchange_eventhttps://nowyoucanuse.com/features--hashchange.html