英文:
Add minutes to dom countdown timer
问题
我制作了一个倒计时计时器，但想要通过按钮添加额外的分钟。
我创建了一个函数来向计时器添加1分钟，但我无法让它添加这一分钟。我应该如何实现这个目标？
我已经注释掉了这段代码，因为它破坏了我的其他代码。
当计时器没有运行时，add1Minute() 函数应该向计时器添加1分钟。
我尝试通过将1添加到变量，然后将其添加到计时器来实现这一目标。
以下是您提供的代码的翻译：
let countdown;
function create() {
const mainDiv = document.createElement("div");
document.body.appendChild(mainDiv);
const timeDiv = document.createElement("div");
timeDiv.setAttribute("id", "timeText");
timeDiv.innerHTML = "25:00";
mainDiv.appendChild(timeDiv);
const startButton = document.createElement("button");
startButton.setAttribute("class", "button");
startButton.addEventListener("click", startTimer);
startButton.innerHTML = "start";
mainDiv.appendChild(startButton);
const restartButton = document.createElement("button");
restartButton.setAttribute("class", "button");
restartButton.addEventListener("click", restartTimer);
restartButton.innerHTML = "restart";
mainDiv.appendChild(restartButton);
// 以下是您注释掉的部分
/*
const minute1Button = document.createElement("button");
minute1Button.setAttribute("class", "button");
startButton.addEventListener('click', add1Minute);
minute1Button.innerHTML = "+ 1 minute";
mainDiv.appendChild(minute1Button);
const minute10Button = document.createElement("button");
minute10Button.setAttribute("class", "button");
minute10Button.addEventListener('click', add10Minute);
minute10Button.innerHTML = "+ 10 minutes";
mainDiv.appendChild(minute10Button);
*/
}
function startTimer(sMin1) {
let sMin = 0.15;
function add1Minute(sMin) {
sMin + 1;
return sMin;
}
let time = sMin * 60;
countdown = setInterval(update, 1000);
function update() {
let min = Math.floor(time / 60);
let sec = time % 60;
sec = sec < 10 ? "0" + sec : sec;
timeText.innerHTML = min + ":" + sec;
time--;
min == 0 && sec == 0 ? clearInterval(countdown) : countdown;
}
}
function add10Minute() {}
function restartTimer() {
clearInterval(countdown);
document.body.innerHTML = "";
create();
}
create();
希望这有助于您理解代码的翻译。如果您有任何其他问题，请随时提出。
英文:
I made a count down timer but would like to add extra minutes to it with a button.
I made a function to add 1 minute to the timer but i can't get it to add the minute. How would I achieve this?
I commented out the code since it breaks the rest of my code.
The add1Minute() function should add 1 minute to the timer when it isn't running.
I tried doing this by adding 1 to the variable and after that add it to the timer.
<!-- begin snippet: js hide: false console: true babel: false -->
<!-- language: lang-js -->
let countdown;
create();
function create() {
const mainDiv = document.createElement("div");
document.body.appendChild(mainDiv);
const timeDiv = document.createElement("div");
timeDiv.setAttribute("id", "timeText");
timeDiv.innerHTML = "25:00";
mainDiv.appendChild(timeDiv);
const startButton = document.createElement("button");
startButton.setAttribute("class", "button");
//startButton.addEventListener ("id", "startButton");
startButton.addEventListener("click", startTimer);
startButton.innerHTML = "start";
mainDiv.appendChild(startButton);
const restartButton = document.createElement("button");
restartButton.setAttribute("class", "button");
restartButton.addEventListener("click", restartTimer);
restartButton.innerHTML = "restart";
mainDiv.appendChild(restartButton);
/*
const minute1Button = document.createElement("button");
minute1Button.setAttribute("class", "button");
startButton.addEventListener ('click', add1Minute);
minute1Button.innerHTML = "+ 1 minute";
mainDiv.appendChild(minute1Button);
const minute10Button = document.createElement("button");
minute10Button.setAttribute("class", "button");
minute10Button.addEventListener ('click',add10Minute);
minute10Button.innerHTML = "+ 10 minutes";
mainDiv.appendChild(minute10Button);
*/
}
//startTimer()
function startTimer(sMin1) {
let sMin = 0.15;
function add1Minute(sMin) {
sMin + 1;
return sMin;
}
//if(sMin1 != null){
//sMin + sMin1;
//}
let time = sMin * 60;
countdown = setInterval(update, 1000);
function update() {
let min = Math.floor(time / 60);
let sec = time % 60;
sec = sec < 10 ? "0" + sec : sec;
timeText.innerHTML = min + ":" + sec;
time--;
min == 0 && sec == 0 ? clearInterval(countdown) : countdown;
}
}
//function add1Minute(sMin){
// sMin + 1;
// return sMin1;
//}
function add10Minute() {}
function restartTimer() {
clearInterval(countdown);
document.body.innerHTML = "";
create();
}
<!-- end snippet -->
答案1
得分: 0
尝试：
let sMin = 0.15;
function add1Minute() {
if (!countdown) {
sMin += 1;
}
}
function startTimer() {
let time = sMin * 60;
countdown = setInterval(update, 1000);
function update() {
let min = Math.floor(time / 60);
let sec = time % 60;
sec = sec < 10 ? "0" + sec : sec;
timeText.innerHTML = min + ":" + sec;
time--;
min == 0 && sec == 0 ? clearInterval(countdown) : countdown;
}
}
英文:
try:
let sMin = 0.15;
function add1Minute() {
if (!countdown) {
sMin += 1;
}
}
function startTimer() {
let time = sMin * 60;
countdown = setInterval(update, 1000);
function update() {
let min = Math.floor(time / 60);
let sec = time % 60;
sec = sec < 10 ? "0" + sec : sec;
timeText.innerHTML = min + ":" + sec;
time--;
min == 0 && sec == 0 ? clearInterval(countdown) : countdown;
}
}
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