70 lines
2.7 KiB
JavaScript
70 lines
2.7 KiB
JavaScript
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"use strict"
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/*
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* Copyright (c) 2022 Samuel Sloniker
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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function format(number) {
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return (number < 10)?("0" + String(number)):String(number)
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}
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function adjust() {
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let ce = document.querySelector("#countdown")
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let cec = document.querySelector("#countdownbox")
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let cet = document.querySelector("#countdowntext")
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let time = (newYear - new Date()) / 1000
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if (time <= 0) {
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clearInterval(intervalID)
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cet.innerHTML = "HAPPY NEW YEAR"
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let fireworks = new Fireworks(document.querySelector("div#firepops"), { /* options */ })
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fireworks.start()
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} else {
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let days = Math.floor(time / (60 * 60 * 24))
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let hours = Math.floor(time / (60 * 60)) % 24
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let minutes = Math.floor(time / 60) % 60
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let seconds = Math.floor(time) % 60
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cet.textContent = (days?(format(days) + ":"):"") +
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((hours || days)?(format(hours) + ":"):"") +
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((minutes || hours || days)?(format(minutes) + ":"):"") +
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format(seconds)
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}
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let fontSize = 1
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ce.style.fontSize = String(fontSize - 1) + "px"
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ce.style.fontSize = "1px"
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while (ce.clientHeight <= cec.clientHeight && cec.scrollWidth <= document.documentElement.clientWidth && fontSize <= 180) {
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fontSize += 1
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ce.style.fontSize = String(fontSize) + "px"
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}
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}
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function main() {
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window.newYear = new Date(new Date().getFullYear() + 1, 0, 1)
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document.querySelector("h1#header").textContent = "NEW YEAR " + String(newYear.getFullYear()) + " COUNTDOWN"
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window.intervalID = setInterval(adjust, 100)
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window.addEventListener("resize", adjust)
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adjust()
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}
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window.onload = main
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