我有代码，但它适用于 2 分钟计时器，我需要将其修改为 1 分 30 秒计时器。
我已经尝试过，但未能从 1:30 开始计时器。
因为我是这一行的初学者，并且想学习如何做到这一点。
这是代码
<div id=timer></div>
<script type="text/javascript">
var timeoutHandle;
function countdown(minutes, seconds) {
var seconds = 60;
var mins = minutes
function tick() {
var counter = document.getElementById("timer");
var current_minutes = mins - 1
seconds--;
counter.innerHTML =
current_minutes.toString() + ":" + (seconds < 10 ? "0" : "") + String(seconds);
if (seconds > 0) {
timeoutHandle = setTimeout(tick, 1000);
} else {
if (mins > 1) {
// countdown(mins-1); never reach “00″ issue solved:Contributed by Victor Streithorst
setTimeout(function() {
countdown(mins - 1);
}, 1000);
}
}
}
tick();
}
countdown(2);
</script>
<div id=timer></div>
<script type="text/javascript">
var timeoutHandle;
function countdown(minutes, seconds) {
function tick() {
var counter = document.getElementById("timer");
counter.innerHTML =
minutes.toString() + ":" + (seconds < 10 ? "0" : "") + String(seconds);
seconds--;
if (seconds >= 0) {
timeoutHandle = setTimeout(tick, 1000);
} else {
if (minutes >= 1) {
// countdown(mins-1); never reach “00″ issue solved:Contributed by Victor Streithorst
setTimeout(function () {
countdown(minutes - 1, 59);
}, 1000);
}
}
}
tick();
}
countdown(1, 30);
</script>
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