autoOpenLivingRoom.js

// http://douyu.shiniv.com/
// 自动打开有宝箱的直播间, 30秒后自动关闭
(function () {
    let windowOpenedCount = 0
    let timer = setInterval(() => {
        let blockEls = document.querySelector('#message').children
        let len = blockEls.length
        for (; len--;) {
            let elm = blockEls[len]
            let timerElm = elm.querySelector('blockquote .timeleft');
            if (!timerElm) return 
            
            let isCountDownAt15 = timerElm.innerText == 15
            let isWindowLessThan2 = windowOpenedCount < 2
            let shouldOpen = isCountDownAt15 && isWindowLessThan2
            if (shouldOpen) {
                let href = timerElm.parentElement.getAttribute('href')
                let instance = window.open(href)
                windowOpenedCount++
                window.setTimeout(() => {
                    instance.close()
                    windowOpenedCount--
                }, 30000)
            }
        }
    }, 1000)
})()