JavaScript SDK v4 - 历史

// initialize pubnub object
var pubnub = new PubNub({
    subscribeKey: "yourSubscribeKey",
    publishKey: "myPublishKey" // optional
})

// get up to the last 100 messages 
// published to the channel
pubnub.history(
    {
        channel: 'channel1'
    },
    function (status, response) {
        // log status & response to browser console
        console.log("STATUS  : " + console.log(JSON.stringify(status));
        console.log("RESPONSE: " + console.log(JSON.stringify(response));
    }
);

// this is the format of the response
[
    [array of returned messages],
    "firstMessageTimetoken",
    "lastMessageTimetoken"
]

// example of response
[
    [{'price':10.02}, {'price':10.12}, {'price':10.08}, {'price':10.10}],
    "14691304969408991",
    "14691307326690522"
]