在前端获取UTC时间戳的方法

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function getUtcTimestamp() {
    const now = new Date();
    const utcTimestamp = Date.UTC(
        now.getUTCFullYear(),
        now.getUTCMonth(),
        now.getUTCDate(),
        now.getUTCHours(),
        now.getUTCMinutes(),
        now.getUTCSeconds(),
        now.getUTCMilliseconds()
    );
    return `${parseInt(utcTimestamp / 1000, 10)}`;
}