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| 1 | +const hourElement = document.querySelector(".hour"); |
| 2 | +const minuteElement = document.querySelector(".minute"); |
| 3 | +const secondElement = document.querySelector(".second"); |
| 4 | +const timeElement = document.querySelector(".time"); |
| 5 | +const dateElement = document.querySelector(".date"); |
| 6 | +const toggle = document.querySelector(".toggle"); |
| 7 | + |
| 8 | +const days = [ |
| 9 | + "Sunday", |
| 10 | + "Monday", |
| 11 | + "Tuesday", |
| 12 | + "Wednesday", |
| 13 | + "Thursday", |
| 14 | + "Friday", |
| 15 | + "Saturday", |
| 16 | +]; |
| 17 | +const months = [ |
| 18 | + "Jan", |
| 19 | + "Feb", |
| 20 | + "Mar", |
| 21 | + "Apr", |
| 22 | + "May", |
| 23 | + "Jun", |
| 24 | + "Jul", |
| 25 | + "Aug", |
| 26 | + "Sep", |
| 27 | + "Oct", |
| 28 | + "Nov", |
| 29 | + "Dec", |
| 30 | +]; |
| 31 | + |
| 32 | +toggle.addEventListener("click", (e) => { |
| 33 | + const html = document.querySelector("html"); |
| 34 | + if (html.classList.contains("dark")) { |
| 35 | + html.classList.remove("dark"); |
| 36 | + e.target.innerHTML = "Dark mode"; |
| 37 | + } else { |
| 38 | + html.classList.add("dark"); |
| 39 | + e.target.innerHTML = "Light mode"; |
| 40 | + } |
| 41 | +}); |
| 42 | + |
| 43 | +// StackOverflow https://stackoverflow.com/questions/10756313/javascript-jquery-map-a-range-of-numbers-to-another-range-of-numbers |
| 44 | +const scale = (num, in_min, in_max, out_min, out_max) => { |
| 45 | + return ((num - in_min) * (out_max - out_min)) / (in_max - in_min) + out_min; |
| 46 | +}; |
| 47 | + |
| 48 | +const setTime = () => { |
| 49 | + const time = new Date(); |
| 50 | + const date = time.getDate(); |
| 51 | + const month = time.getMonth(); |
| 52 | + const day = time.getDay(); |
| 53 | + const hours = time.getHours(); |
| 54 | + const hoursForClock = hours >= 13 ? hours % 12 : hours; |
| 55 | + const minutes = time.getMinutes(); |
| 56 | + const seconds = time.getSeconds(); |
| 57 | + const ampm = hours >= 12 ? "PM" : "AM"; |
| 58 | + |
| 59 | + hourElement.style.transform = `translate(-50%, -100%) rotate(${scale( |
| 60 | + hoursForClock, |
| 61 | + 0, |
| 62 | + 11, |
| 63 | + 0, |
| 64 | + 360 |
| 65 | + )}deg)`; |
| 66 | + minuteElement.style.transform = `translate(-50%, -100%) rotate(${scale( |
| 67 | + minutes, |
| 68 | + 0, |
| 69 | + 59, |
| 70 | + 0, |
| 71 | + 360 |
| 72 | + )}deg)`; |
| 73 | + secondElement.style.transform = `translate(-50%, -100%) rotate(${scale( |
| 74 | + seconds, |
| 75 | + 0, |
| 76 | + 59, |
| 77 | + 0, |
| 78 | + 360 |
| 79 | + )}deg)`; |
| 80 | + |
| 81 | + timeElement.innerHTML = `${hoursForClock}:${ |
| 82 | + minutes < 10 ? `0${minutes}` : minutes |
| 83 | + } ${ampm}`; |
| 84 | + dateElement.innerHTML = `${days[day]}, ${months[month]} <span class="circle">${date}</span>`; |
| 85 | +}; |
| 86 | + |
| 87 | +setTime(); |
| 88 | + |
| 89 | +setInterval(setTime, 1000); |
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