頁面一開始的時(shí)候，會(huì)請(qǐng)求一個(gè)websocket

wsCurrentEntrust: function () { 
            if ('WebSocket' in window) {
                 websocket = new WebSocket(host + userId);
            }
            else {
                ...
            }
            websocket.onerror = function () {
                ...
            };
            websocket.onopen = function (event) {
                ...
            }
            websocket.onmessage = function (event) {
                ...
            }
            websocket.onclose = function () {
                ...
            }
        }

如一開始我請(qǐng)求的ws的url是host1，隨后我點(diǎn)擊一個(gè)按鈕后變成了host2，但是host1的消息依然在推送，導(dǎo)致函數(shù)的回調(diào)有問題，求解如何變成host2后，host1的消息不再推送~