{"id":3622,"date":"2022-10-07T20:31:02","date_gmt":"2022-10-07T15:31:02","guid":{"rendered":"https:\/\/www.edopedia.com\/blog\/?p=3622"},"modified":"2022-10-07T20:31:05","modified_gmt":"2022-10-07T15:31:05","slug":"build-a-dynamic-calendar-using-html5-css3-javascript","status":"publish","type":"post","link":"https:\/\/www.edopedia.com\/blog\/build-a-dynamic-calendar-using-html5-css3-javascript\/","title":{"rendered":"Build a Dynamic Calendar using HTML5, CSS3 & JavaScript"},"content":{"rendered":"\n

In this tutorial, I will teach you how to make a dynamic calendar using HTML5, CSS3, and JavaScript. The full source code of the JavaScript calendar is given below.<\/p>\n\n\n\n

HTML5, CSS3, JavaScript Calendar Source Code<\/h2>\n\n\n\n

index.html<\/h3>\n\n\n\n
<!DOCTYPE html>\n<html lang="en" dir="ltr">\n  <head>\n    <meta charset="utf-8">\n    <title>Dynamic Calendar JavaScript<\/title>\n    <link rel="stylesheet" href="style.css">\n    <meta name="viewport" content="width=device-width, initial-scale=1.0">\n    <!-- Google Font Link for Icons -->\n    <link rel="stylesheet" href="https:\/\/fonts.googleapis.com\/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200">\n    <script src="script.js" defer><\/script>\n  <\/head>\n  <body>\n    <div class="wrapper">\n      <header>\n        <p class="current-date"><\/p>\n        <div class="icons">\n          <span id="prev" class="material-symbols-rounded">chevron_left<\/span>\n          <span id="next" class="material-symbols-rounded">chevron_right<\/span>\n        <\/div>\n      <\/header>\n      <div class="calendar">\n        <ul class="weeks">\n          <li>Sun<\/li>\n          <li>Mon<\/li>\n          <li>Tue<\/li>\n          <li>Wed<\/li>\n          <li>Thu<\/li>\n          <li>Fri<\/li>\n          <li>Sat<\/li>\n        <\/ul>\n        <ul class="days"><\/ul>\n      <\/div>\n    <\/div>\n    \n  <\/body>\n<\/html><\/pre><\/div>\n\n\n\n
script.js<\/h3>\n\n\n\n
const daysTag = document.querySelector(".days"),\ncurrentDate = document.querySelector(".current-date"),\nprevNextIcon = document.querySelectorAll(".icons span");\n\n\/\/ getting new date, current year and month\nlet date = new Date(),\ncurrYear = date.getFullYear(),\ncurrMonth = date.getMonth();\n\n\/\/ storing full name of all months in array\nconst months = ["January", "February", "March", "April", "May", "June", "July",\n              "August", "September", "October", "November", "December"];\n\nconst renderCalendar = () => {\n    let firstDayofMonth = new Date(currYear, currMonth, 1).getDay(), \/\/ getting first day of month\n    lastDateofMonth = new Date(currYear, currMonth + 1, 0).getDate(), \/\/ getting last date of month\n    lastDayofMonth = new Date(currYear, currMonth, lastDateofMonth).getDay(), \/\/ getting last day of month\n    lastDateofLastMonth = new Date(currYear, currMonth, 0).getDate(); \/\/ getting last date of previous month\n    let liTag = "";\n\n    for (let i = firstDayofMonth; i > 0; i--) { \/\/ creating li of previous month last days\n        liTag += `<li class="inactive">${lastDateofLastMonth - i + 1}<\/li>`;\n    }\n\n    for (let i = 1; i <= lastDateofMonth; i++) { \/\/ creating li of all days of current month\n        \/\/ adding active class to li if the current day, month, and year matched\n        let isToday = i === date.getDate() && currMonth === new Date().getMonth() \n                     && currYear === new Date().getFullYear() ? "active" : "";\n        liTag += `<li class="${isToday}">${i}<\/li>`;\n    }\n\n    for (let i = lastDayofMonth; i < 6; i++) { \/\/ creating li of next month first days\n        liTag += `<li class="inactive">${i - lastDayofMonth + 1}<\/li>`\n    }\n    currentDate.innerText = `${months[currMonth]} ${currYear}`; \/\/ passing current mon and yr as currentDate text\n    daysTag.innerHTML = liTag;\n}\nrenderCalendar();\n\nprevNextIcon.forEach(icon => { \/\/ getting prev and next icons\n    icon.addEventListener("click", () => { \/\/ adding click event on both icons\n        \/\/ if clicked icon is previous icon then decrement current month by 1 else increment it by 1\n        currMonth = icon.id === "prev" ? currMonth - 1 : currMonth + 1;\n\n        if(currMonth < 0 || currMonth > 11) { \/\/ if current month is less than 0 or greater than 11\n            \/\/ creating a new date of current year & month and pass it as date value\n            date = new Date(currYear, currMonth);\n            currYear = date.getFullYear(); \/\/ updating current year with new date year\n            currMonth = date.getMonth(); \/\/ updating current month with new date month\n        } else {\n            date = new Date(); \/\/ pass the current date as date value\n        }\n        renderCalendar(); \/\/ calling renderCalendar function\n    });\n});<\/pre><\/div>\n\n\n\n
style.css<\/h3>\n\n\n\n
\/* Import Google font - Poppins *\/\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@400;500;600&display=swap');\n*{\n  margin: 0;\n  padding: 0;\n  box-sizing: border-box;\n  font-family: 'Poppins', sans-serif;\n}\nbody{\n  display: flex;\n  align-items: center;\n  padding: 0 10px;\n  justify-content: center;\n  min-height: 100vh;\n  background: #9B59B6;\n}\n.wrapper{\n  width: 450px;\n  background: #fff;\n  border-radius: 10px;\n  box-shadow: 0 15px 40px rgba(0,0,0,0.12);\n}\n.wrapper header{\n  display: flex;\n  align-items: center;\n  padding: 25px 30px 10px;\n  justify-content: space-between;\n}\nheader .icons{\n  display: flex;\n}\nheader .icons span{\n  height: 38px;\n  width: 38px;\n  margin: 0 1px;\n  cursor: pointer;\n  color: #878787;\n  text-align: center;\n  line-height: 38px;\n  font-size: 1.9rem;\n  user-select: none;\n  border-radius: 50%;\n}\n.icons span:last-child{\n  margin-right: -10px;\n}\nheader .icons span:hover{\n  background: #f2f2f2;\n}\nheader .current-date{\n  font-size: 1.45rem;\n  font-weight: 500;\n}\n.calendar{\n  padding: 20px;\n}\n.calendar ul{\n  display: flex;\n  flex-wrap: wrap;\n  list-style: none;\n  text-align: center;\n}\n.calendar .days{\n  margin-bottom: 20px;\n}\n.calendar li{\n  color: #333;\n  width: calc(100% \/ 7);\n  font-size: 1.07rem;\n}\n.calendar .weeks li{\n  font-weight: 500;\n  cursor: default;\n}\n.calendar .days li{\n  z-index: 1;\n  cursor: pointer;\n  position: relative;\n  margin-top: 30px;\n}\n.days li.inactive{\n  color: #aaa;\n}\n.days li.active{\n  color: #fff;\n}\n.days li::before{\n  position: absolute;\n  content: "";\n  left: 50%;\n  top: 50%;\n  height: 40px;\n  width: 40px;\n  z-index: -1;\n  border-radius: 50%;\n  transform: translate(-50%, -50%);\n}\n.days li.active::before{\n  background: #9B59B6;\n}\n.days li:not(.active):hover::before{\n  background: #f2f2f2;\n}<\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"
In this tutorial, I will teach you how to make a dynamic calendar using HTML5, CSS3, and JavaScript. The full source code of the JavaScript calendar is given below. HTML5, CSS3, JavaScript Calendar Source Code index.html script.js style.css<\/p>\n","protected":false},"author":1,"featured_media":3624,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112],"tags":[],"class_list":["post-3622","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorials"],"yoast_head":"\nBuild a Dynamic Calendar using HTML5, CSS3 & JavaScript<\/title>\n<meta name=\"description\" content=\"In this tutorial, I will teach you how to make a dynamic calendar using HTML5, CSS3, and JavaScript. 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