About autojs timing stop instance source code

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run();
//实时显示脚本运行时长,并对返回的时长与设定的时长进行判断
function run() { //声明运行函数
    threads.start(function() {
        startTime = new Date().getTime();
    
        while (true) {
            runTime();
            sleep(1000);
        }
    });
}

function runTime() {
    var endTime = new Date().getTime();
    var spendTime = Math.floor((endTime - startTime) / 1000);
    log('已等待%d秒', spendTime);
    let t = 3;
    if (spendTime >= t) {
        console.info("定时已结束");
        exit();
    }
}