144 lines
4.7 KiB
HTML
144 lines
4.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<title>Scrollama: Mobile Pattern Example</title>
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<meta name="description" content="Scrollama: Mobile Pattern Example" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<link rel="stylesheet" href="../style.css" />
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<style>
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#scrolly {
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position: relative;
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}
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article {
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position: relative;
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padding: 0 1rem;
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margin: 0 auto;
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width: 33%;
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}
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.step {
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margin: 2rem auto 4rem auto;
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background-color: #3b3b3b;
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color: #fff;
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}
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.step.is-active {
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background-color: goldenrod;
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color: #3b3b3b;
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}
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.step p {
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text-align: center;
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padding: 1rem;
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font-size: 1.5rem;
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}
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</style>
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</head>
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<body>
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<a href="https://github.com/russellgoldenberg/scrollama" target="_blank" class="github-corner"
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aria-label="View source on GitHub"><svg width="80" height="80" viewBox="0 0 250 250"
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style="fill:#151513; color:#fff; position: absolute; top: 0; border: 0; right: 0;" aria-hidden="true">
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<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
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<path
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d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
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fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path>
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<path
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d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z"
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fill="currentColor" class="octo-body"></path>
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</svg></a>
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<main>
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<nav>
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<a href="https://github.com/russellgoldenberg/scrollama">scrollama.js</a>
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<div class="nav__examples">
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<p>Examples:</p>
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<a href="https://russellgoldenberg.github.io/scrollama/basic">Basic</a>
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<a href="https://russellgoldenberg.github.io/scrollama/progress">Progress</a>
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<a href="https://russellgoldenberg.github.io/scrollama/sticky-side">Sticky Side</a>
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<a href="https://russellgoldenberg.github.io/scrollama/sticky-overlay">Sticky Overlay</a>
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<a href="https://russellgoldenberg.github.io/scrollama/mobile-pattern">Mobile Pattern</a>
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</div>
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</nav>
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<section id="intro">
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<h1 class="intro__hed">Mobile Pattern Example</h1>
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<p class="intro__dek">
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Start scrolling to see how it works.
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</p>
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</section>
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<section id="scrolly">
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<article>
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<div class="step" data-step="1">
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<p>STEP 1</p>
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</div>
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<div class="step" data-step="2">
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<p>STEP 2</p>
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</div>
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<div class="step" data-step="3">
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<p>STEP 3</p>
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</div>
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<div class="step" data-step="4">
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<p>STEP 4</p>
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</div>
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</article>
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</section>
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<section id="outro"></section>
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</main>
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<script src="../scrollama.min.js"></script>
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<script>
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var scrolly = document.querySelector("#scrolly");
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var article = scrolly.querySelector("article");
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var step = article.querySelectorAll(".step");
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// initialize the scrollama
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var scroller = scrollama();
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// scrollama event handlers
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function handleStepEnter(response) {
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// response = { element, direction, index }
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console.log(response);
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// add to color to current step
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response.element.classList.add("is-active");
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}
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function handleStepExit(response) {
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// response = { element, direction, index }
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console.log(response);
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// remove color from current step
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response.element.classList.remove("is-active");
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}
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function init() {
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// set random padding for different step heights (not required)
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step.forEach(function (step) {
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var v = 100 + Math.floor((Math.random() * window.innerHeight) / 4);
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step.style.padding = v + "px 0px";
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});
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// find the halfway point of the initial viewport height
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// (it changes on mobile, but by just using the initial value
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// you remove jumpiness on scroll direction change)
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var midpoint = Math.floor(window.innerHeight * 0.5) + "px";
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// 1. setup the scroller with the bare-bones options
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// this will also initialize trigger observations
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// 2. bind scrollama event handlers (this can be chained like below)
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scroller
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.setup({
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step: "#scrolly article .step",
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debug: false,
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offset: midpoint
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})
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.onStepEnter(handleStepEnter)
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.onStepExit(handleStepExit);
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}
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// kick things off
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init();
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</script>
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</body>
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</html> |