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javascript - 如何从脚本标签和/或控制台中抓取值

转载 作者:行者123 更新时间:2023-12-05 08:03:08 25 4
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我有一个在 heroku/flask 上运行的 python 程序。基本上,我收到了两个 webhook。 第一个 webhook 启动秒表。 第二个 webhook 应该获取秒表的当前值。

我正在努力获取秒表的当前值。似乎有两种选择。通过网络抓取从实际变量中获取值,或者将值打印到控制台并从那里获取它们。我正在考虑使用 Beautiful soup,但不确定如何在秒表运行时获取实际值。

下面的代码向您展示了我使用 python 呈现的 html 文件。 如何在秒表运行时从程序中获取特定的“sec”变量?或者我如何获取正在打印到控制台的信息?

<!DOCTYPE html>
<html>
<body>
<div id="stopwatch-container">
<div id="stopwatch">00:00:00</div>
<button onclick="pause()">Stop</button>
</div>
<script>
var stopwatch = document.getElementById("stopwatch");
var startBtn = document.getElementById("start-btn");
var timeoutId = null;
var ms = 0;
var sec = 0;
var min = 0;
start();

/* function to start stopwatch */
function start(flag) {
if (flag) {
startBtn.disabled = true;
}

timeoutId = setTimeout(function() {
ms = parseInt(ms);
sec = parseInt(sec);
min = parseInt(min);
console.log(sec) // here you can see I am logging the sec value.

ms++;

if (ms == 100) {
sec = sec + 1;
ms = 0;
}
if (sec == 60) {
min = min + 1;
sec = 0;
}
if (ms < 10) {
ms = '0' + ms;
}
if (sec < 10) {
sec = '0' + sec;
}
if (min < 10) {
min = '0' + min;
}

stopwatch.innerHTML = min + ':' + sec + ':' + ms;

// calling start() function recursivly to continue stopwatch
start();

}, 10); // setTimeout delay time 10 milliseconds
}

/* function to pause stopwatch */
function pause() {
clearTimeout(timeoutId);
startBtn.disabled = false;
}

/* function to reset stopwatch */
function reset() {
ms = 0;
sec = 0;
min = 0;
clearTimeout(timeoutId);
stopwatch.innerHTML = '00:00:00';
startBtn.disabled = false;
}
</script>
</body>
</html>

最佳答案

<!DOCTYPE html>
<html>
<body>
<div id="stopwatch-container">
<div id="stopwatch">00:00:00</div>
<button onclick="pause_timer()">Stop</button>
<button onclick="start_timer()">Start</button>
</div>
<script>
var stopwatch = document.getElementById("stopwatch");
var startBtn = document.getElementById("start-btn");
const date = new Date;
var second = 0;
var minute = 0;
var hour = 0;
var second_timer;
var pause=true;
function seconds(){
if(pause==false){
second++;
if(second>=60){second=0;minute++;}
if(minute>=60){minute=0;hour++;}
if(hour>=24){hour=0;}
if(second<10){second="0"+second.toString();}
if(minute<10){minute="0"+minute.toString();}
if(hour<10){hour="0"+hour.toString();}
stopwatch.innerText = hour+":"+minute+":"+second;
second=parseInt(second);
minute=parseInt(minute);
hour=parseInt(hour);
}
}
function start_timer(){
var second_timer=setInterval(seconds,1000);
pause=false;
}
function pause_timer(){
clearInterval(second_timer);
pause=true;
}
</script>
</body>
</html>

关于javascript - 如何从脚本标签和/或控制台中抓取值,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/73808842/

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