编辑代码

//JSRUN引擎2.0，支持多达30种语言在线运行，全仿真在线交互输入输出。 
const urls = [
    {
        url: 'aaaaaaaaa',
        time: 200
    },
    {
        url: 'bbbbbbbb',
        time: 200
    },
    {
        url: 'cccccc',
        time: 300
    },
    {
        url: 'ddddddd',
        time: 100
    },
    {
        url: 'eeeeee',
        time: 500
    },
    {
        url: 'ffffffff',
        time: 10
    },
]

function sequentialFunc(urls) {
    const arr = Array(urls.length).fill(null)
    let index = 0
    const consoleFunc = () => {
        if (index >= urls.length) {
            return
        }
        if (arr[index]) {
            console.log(arr[index])
            index++
            consoleFunc()
        }
    }
    for (let i = 0; i < urls.length; i++) {
        setTimeout(() => {
            arr[i] = urls[i]
            consoleFunc()
        }, urls[i].time)
    }
}
sequentialFunc(urls)