blob: e2e938023e75ef53be525b9c4c32fe6cc942672a (
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let params;
let cur_seconds = null;
let timer_id;
const cd = document.getElementById("countdown");
function setupCountdown() {
params = new URLSearchParams(document.location.search);
for ([key, value] of params.entries()) {
console.log(`${key}: ${value}`);
}
cur_seconds = parseInt(params.get("duration"));
if (params.get("f_family") !== "") {
cd.style.fontFamily = params.get("f_family");
}
cd.style.color = params.get("f_color");
draw();
timer_id = window.setInterval(tick, 1000);
}
function tick() {
if (cur_seconds == 0) {
while (cd.firstChild) {
cd.removeChild(cd.firstChild);
}
let end_msg = document.createElement("div");
end_msg.textContent = params.get("end_text");
cd.appendChild(end_msg);
window.clearInterval(timer_id);
return;
}
cur_seconds--;
draw();
}
function draw() {
document.getElementById("minutes").textContent = zero_pad(Math.floor(cur_seconds / 60));
document.getElementById("seconds").textContent = zero_pad((cur_seconds % 60));
}
function zero_pad(num) {
if (num < 10) {
return "0"+num;
} else {
return num;
}
}
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