{"id":4241,"date":"2021-09-03T23:44:14","date_gmt":"2021-09-03T14:44:14","guid":{"rendered":"https:\/\/suzutukiblog.com\/?p=4241"},"modified":"2023-01-04T22:04:23","modified_gmt":"2023-01-04T13:04:23","slug":"javascript6-1","status":"publish","type":"post","link":"https:\/\/suzutukiblog.com\/index.php\/2021\/09\/03\/javascript6-1\/","title":{"rendered":"Javascript6.1(\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0+\u6a5f\u80fd\u8ffd\u52a0)"},"content":{"rendered":"

\uff16\u304b\u3089\u7d9a\u304d\u307e\u3059\u3002<\/a><\/p>\n

2:\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0+\u6a5f\u80fd\u8ffd\u52a0<\/h3>\n

mixin\u306f\u3044\u3064\u3082\u3069\u304a\u308a\u306a\u306e\u3067\u7701\u7565<\/h3>\n

HTML\u306e\u8a18\u8ff0<\/h3>\n
\n
<!DOCTYPE html>\r\n<html lang=\"en\">\r\n<head>\r\n  <meta charset=\"UTF-8\">\r\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\r\n  <meta http-equiv=\"X-UA-Compatible\" content=\"ie=edge\">\r\n  <link rel=\"stylesheet\" href=\"https:\/\/use.fontawesome.com\/releases\/v5.0.13\/css\/all.css\" integrity=\"sha384-DNOHZ68U8hZfKXOrtjWvjxusGo9WQnrNx2sqG0tfsghAvtVlRW3tvkXWZh58N9jp\" crossorigin=\"anonymous\">\r\n  <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Teko:wght@500&display=swap\" rel=\"stylesheet\">\r\n  <link rel=\"stylesheet\" href=\"style.css\">\r\n  <title>Document<\/title>\r\n<\/head>\r\n<body>\r\n  <section>\r\n    <div class=\"animate-title\">Start Animation.<\/div>\r\n  <\/section>\r\n  <section>\r\n    <div class=\"animate-title\">Use what you have.<\/div>\r\n  <\/section>\r\n  <section>\r\n    <div class=\"animate-title\">Do what you can.<\/div>\r\n  <\/section>\r\n  <script src=\"text-animation.js\"><\/script>\r\n  <script src=\"scroll-polyfill.js\"><\/script>\r\n  <script src=\"scroll.js\"><\/script>\r\n  <script src=\"main.js\"><\/script>\r\n<\/body>\r\n<\/html><\/code><\/pre>\n<\/div>\n
<script src=”scroll-polyfill.js”><\/script>\u3092\u8ffd\u52a0<\/h4>\n
<\/p>\n
SCSS\u306e\u8a18\u8ff0<\/h3>\n
\n
@import \"mixin\";\r\n\r\nhtml {\r\nfont-family: \"Teko\", sans-serif;\r\n}\r\nbody {\r\nmargin: 0;\r\n}\r\nsection {\r\nposition: relative;\r\nheight: 100vh;\r\nbackground-color: teal;\r\n\r\n&:nth-child(2) {\r\nbackground-color: mediumvioletred;\r\n}\r\n&:nth-child(3) {\r\nbackground-color: orange;\r\n}\r\n}\r\n.animate-title,\r\n.tween-animate-title {\r\nposition: absolute;\r\n\/\/ \u6587\u5b57\u304c\u753b\u9762\u4e2d\u592e\u306b\u6765\u308b\u3088\u3046\u306b\u3059\u308b\r\ntop: 50%;\r\nleft: 50%;\r\ntransform: translate(-50%, -50%);\r\ncolor: white;\r\nopacity: 0;\r\nfont-size: 2em;\r\n\r\n&.inview {\r\nopacity: 1;\r\n\r\n& .char {\r\ndisplay: inline-block;\r\n}\r\n}\r\n\r\n& .char {\r\nopacity: 0;\r\n}\r\n}\r\n\r\n.animate-title.inview .char {\r\n@include animation(\r\n$name: kf-animate-chars,\r\n$duration: 0.5s,\r\n$timing-function: cubic-bezier(0.39, 1.57, 0.58, 1),\r\n$fill-mode: both\r\n);\r\n\r\n@for $i from 1 through 30 {\r\n&:nth-child(#{$i}) {\r\nanimation-delay: $i * 0.04s;\r\n}\r\n}\r\n}\r\n\r\n@keyframes kf-animate-chars {\r\n0% {\r\nopacity: 0;\r\ntransform: translateY(-50%);\r\n}\r\n\r\n100% {\r\nopacity: 1;\r\ntransform: translateY(0);\r\n}\r\n}<\/code><\/pre>\n<\/div>\n
main.js\u306e\u8a18\u8ff0<\/h3>\n
\n
document.addEventListener(\"DOMContentLoaded\", function () {\r\n\/\/ \u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u8a2d\u3051\u308b\r\n  const cb = function (el, isIntersecting) {\r\n  if (isIntersecting) {\r\n  const ta = new TextAnimation(el);\r\n  ta.animate();\r\n  console.log(ta);\r\n }\r\n};\r\n\r\n\/\/ \u7b2c1\u5f15\u6570\u306b\u30a8\u30ec\u30e1\u30f3\u30c8\u7b2c\u4e8c\u5f15\u6570\u306b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\r\n  const so = new ScrollObserver(\".animate-title\", cb);\r\n  console.log(so);\r\n});<\/code><\/pre>\n<\/div>\n
scroll.js\u306e\u8a18\u8ff0<\/h3>\n
\n
\/\/ \u30b9\u30af\u30ed\u30fc\u30eb\u306e\u76e3\u8996\u3092\u5b9a\u7fa9\u3059\u308b\r\nclass ScrollObserver {\r\n\/\/ \u7b2c\u4e00\u5f15\u6570\u306banimate-title\u7b2c2\u5f15\u6570\u306b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u7b2c\u4e09\u5f15\u6570\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\r\n  constructor(els, cb, options) {\r\n    this.els = document.querySelectorAll(els);\r\n    console.log(this.els);\r\n    const defaultOptions = {\r\n    root: null,\r\n    rootMargin: \"0px\",\r\n    threshold: 0,\r\n    once: true\r\n     };\r\n    this.cb = cb;\r\n    console.log(this.cb);\r\n\/\/ assign\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3067\u3067defaultOptions\u3068options\u3092\u30de\u30fc\u30b8\u3059\u308b\r\n    this.options = Object.assign(defaultOptions, options);\r\n    console.log(this.options);\r\n    this.once = this.options.once;\r\n    console.log(this.once);\r\n    this._init();\r\n    console.log(this._init);\r\n}\r\n\/\/ \u521d\u671f\u5316\u51e6\u7406\u3092\u8a18\u8f09\u3057\u3066\u5909\u6570\u306e\u8a18\u8f09\u6f0f\u308c\u3092\u9632\u3050\r\n_init() {\r\n    const callback = function (entries, observer) {\r\n      entries.forEach(entry => {\r\n       if (entry.isIntersecting) {\r\n        console.log(this);\r\n        this.cb(entry.target, true);\r\n       if (this.once) {\r\n         observer.unobserve(entry.target);\r\n      }\r\n         } else {\r\n           this.cb(entry.target, false);\r\n       }\r\n   });\r\n};\r\n\/\/ this\u3092bind\u3067\u675f\u7e1b\u3059\u308b\u3068ScrollObserver\u306ecb(\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570)\u3092\u53c2\u7167\u3059\u308b\r\n    this.io = new IntersectionObserver(callback.bind(this), this.options);\r\n    console.log(this.io)\r\n\/\/ \u5f8c\u65b9\u4e92\u63db\u6027\u306e\u305f\u3081Polyfill\u306e\u8a2d\u5b9a\u3092\u3059\u308b\r\n    this.io.POLL_INTERVAL = 100;\r\n\/\/ \u8981\u7d20\u304c\u8907\u6570\u3042\u308b\u305f\u3081\u30eb\u30fc\u30d7\u3067\u56de\u3057\u3066\u76e3\u8996\r\n    this.els.forEach(el => this.io.observe(el));\r\n}\r\n\/\/ \u30c7\u30b9\u30c8\u30ed\u30a4\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u3001\u76e3\u8996\u3092\u3084\u3081\u308b\r\n  destroy() {\r\n    this.io.disconnect();\r\n}\r\n}<\/code><\/pre>\n<\/div>\n
text-animation.js\u306e\u8a18\u8ff0<\/h3>\n
\n
\/\/ \u30c6\u30ad\u30b9\u30c8\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9a\u7fa9\r\nclass TextAnimation {\r\n  constructor(el) {\r\n    this.DOM = {};\r\n\/\/ el\u304cDOM\u306e\u3068\u304dthis.Dom.el\u306b\u683c\u7d0d\u3001false\u306e\u3068\u304ddocument.querySelector(el);\u3067DOM\u3092\u53d6\u5f97\u3059\u308b\r\n    this.DOM.el = el instanceof HTMLElement ? el : document.querySelector(el);\r\n    console.log(this.DOM.el);\r\n    this.chars = this.DOM.el.innerHTML.trim().split(\"\");\r\n    this.DOM.el.innerHTML = this._splitText();\r\n    console.log(this.DOM.el.innerHTML);\r\n  }\r\n  _splitText() {\r\n    return this.chars.reduce((acc, curr) => {\r\n      curr = curr.replace(\/\\s+\/, '\u00a0');\r\n      return `${acc}<span class=\"char\">${curr}<\/span>`;\r\n   }, \"\");\r\n}\r\n  animate() {\r\n    this.DOM.el.classList.toggle('inview');\r\n }\r\n}\r\nclass TweenTextAnimation extends TextAnimation {\r\n  constructor(el) {\r\n    super(el);\r\n    this.DOM.chars = this.DOM.el.querySelectorAll('.char');\r\n}\r\n\r\n  animate() {\r\n\/\/ inview\u3092\u3064\u3051\u308b\r\n    this.DOM.el.classList.add('inview');\r\n\/\/ TweenMax\u306e\u66f8\u304d\u65b9(to\u30e1\u30bd\u30c3\u30c9)\u5bfe\u8c61\u3068\u306a\u308bDOM\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u9593\u9694\r\n    this.DOM.chars.forEach((c, i) => {\r\n\/\/ \u30aa\u30d7\u30b7\u30e7\u30f3ease\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3,delay\u306e\u9593\u9694,\u30aa\u30d7\u30b7\u30e7\u30f3\r\n      TweenMax.to(c, .6, {\r\n        ease: Back.easeOut,\r\n        delay: i * .05,\r\n\/\/ \u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u59cb\u307e\u308b\u72b6\u614b\r\n        startAt: { y: '-50%', opacity: 0},\r\n\/\/ \u7d42\u4e86\u6642\u306e\u72b6\u614b\r\n        y: '0%',\r\n        opacity: 1\r\n    });\r\n   });\r\n }\r\n}<\/code><\/pre>\n<\/div>\n
    \n
  1. \n
    \n
    document.querySelectorAll(els);\u3067animate-title\u3092\u53d6\u5f97\u3057\u305f\u306e\u3067\u51fa\u529b\u3055\u308c\u305f\u3002<\/h2>\n<\/div>\n<\/li>\n
  2. \n
    console.log(this.cb);
    \nmain.js\u3067\u5b9a\u7fa9\u3057\u305f\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570cb\u304c\u5165\u3063\u3066\u3044\u308b\u305f\u3081\u3002<\/h2>\n<\/li>\n
  3. \n
    console.log(this.options);\u3067options\u306bdefaultoptions\u306e\u521d\u671f\u8a2d\u5b9a\u3092\u30de\u30fc\u30b8\u3057\u305f\u305f\u3081<\/h2>\n<\/li>\n
  4. \n
    console.log(this.once);once\u3092true\u306b\u8a2d\u5b9a\u3057\u305f\u305f\u3081<\/h2>\n<\/li>\n
  5. \n
    console.log(this.io)\u3067\u30af\u30e9\u30b9\u306eIntersectionObserver\u304c\u547c\u3073\u51fa\u3055\u308c\u3066\u3001callback\u95a2\u6570<\/h2>\n
    \u3092\u53c2\u7167\u3057\u3066\u3044\u308b<\/h2>\n<\/li>\n
  6. \n
    console.log(this._init);\u306e\u90e8\u5206\u3067_init()\u304c\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u308b<\/h2>\n<\/li>\n
  7. \n
    console.log(so);\u306e\u90e8\u5206\u3067\u3001ScrollObserver\u304c\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u3066\u3044\u308b\u3002<\/h2>\n<\/li>\n
  8. \n
    console.log(this);\u306e\u90e8\u5206\u3067\u3001\u3053\u3053\u306ethis\u306f\u76f4\u8fd1\u306eScrollObserver\u3092\u53c2\u7167\u3057\u3066\u3044\u308b\u3002<\/h2>\n<\/li>\n
  9. \n
    console.log(this.DOM.el);\u306e\u90e8\u5206\u3067\u3001.animate-title\u306e\u90e8\u5206\u3092\u53d6\u5f97\u3057\u3066\u3044\u308b<\/h2>\n<\/li>\n
  10. \n
    console.log(this.DOM.el.innerHTML);\u306e\u90e8\u5206\u3067\u3001\u52a0\u5de5\u3055\u308c\u305f\u30c6\u30ad\u30b9\u30c8\u304c\u51fa\u529b\u3055\u308c\u3066\u3044\u308b\u3002<\/h2>\n<\/li>\n
  11. \n
    console.log(ta);inview\u304c\u4ed8\u52a0\u3055\u308c\u3066\u5b8c\u6210\u3055\u308c\u305f\u3082\u306e\u304c\u51fa\u529b\u3055\u308c\u3066\u3044\u308b\u3002<\/h2>\n<\/li>\n<\/ol>\n
    6.2\u306b\u7d9a\u304d\u307e\u3059<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
    \uff16\u304b\u3089\u7d9a\u304d\u307e\u3059\u3002 2:\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0+\u6a5f\u80fd\u8ffd\u52a0 mixin\u306f\u3044\u3064\u3082\u3069\u304a\u308a\u306a\u306e\u3067\u7701\u7565 HTML\u306e\u8a18\u8ff0 <!DOCTYPE html> <html lang=”en”> <head> & […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[17,27],"tags":[],"class_list":["post-4241","post","type-post","status-publish","format-standard","hentry","category-javascript","category-programming-note"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/4241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/comments?post=4241"}],"version-history":[{"count":9,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/4241\/revisions"}],"predecessor-version":[{"id":7226,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/4241\/revisions\/7226"}],"wp:attachment":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media?parent=4241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/categories?post=4241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/tags?post=4241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}