JSFiddle - React, Tailwind, and code Playground

by Malik Naik

HTML

<script src="http://yui.yahooapis.com/3.18.1/build/yui/yui-min.js"></script>
<div id="page1">This is Page 1
<a href="javascript:void(0);" onclick="start()" id="begin">ClickMe</a>

</div>
<div id="page2" class="invis">This is Page 2 content
    <br>
    <br>content
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    <br>content
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    <br>content
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    <br>content
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    <br>content
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    <br>content
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    <br>content
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    <br>content
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    <br>content
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    <br>content
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    <br>content
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    <br>content
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    <br>content
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    <br>content
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    <br>content
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</div>

CSS

body{
    overflow-y: hidden;
}
.invis {

    z-index: -1;

    opacity:0;

}

#page2 {

    position:absolute;

    top:10px;

    left:10px;

}

.fade-in-effect {

    opacity: 1;

    transition: opacity 4s linear;

}

JavaScript

YUI().use('transition', 'node-event-delegate', function (Y) {
    var begin = Y.one('#begin');

    function toggle(e) {
        closeIt(e);
        start();
    }

    function start() {
        var node2 = Y.one("#page2");
        node2.replaceClass('invis', 'fade-in-effect');
        document.body.style.overflow = "auto";
    }

    function closeIt(e) {
        var node1 = Y.one('#page1');
        node1.hide(true);
    }

    begin.on('click', toggle);
});