333 lines
14 KiB
HTML
333 lines
14 KiB
HTML
<!doctype html>
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<!--
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Welcome to the light side of the source, young padawan.
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One step closer to learn something interesting you are...
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-->
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<!--
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So you'd like to know how to use impress.js?
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You've made the first, very important step -- you're reading the source code.
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And that's how impress.js presentations are built -- with HTML and CSS code.
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Believe me, you need quite decent HTML and CSS skills to be able to use impress.js effectively.
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And what is even more important, you need to be a designer, too, because there are no default
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styles for impress.js presentations, there is no default or automatic layout for them.
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You need to design and build it by hand.
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So...
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Would you still like to know how to use impress.js?
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-->
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<title>impress.js | presentation tool based on the power of CSS3 transforms and transitions in modern browsers | by Bartek Szopka @bartaz</title>
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<meta name="description" content="impress.js is a presentation tool based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com.">
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<meta name="author" content="Bartek Szopka" />
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<link href="http://fonts.googleapis.com/css?family=Open+Sans:regular,semibold,italic,italicsemibold|PT+Sans:400,700,400italic,700italic|PT+Serif:400,700,400italic,700italic" rel="stylesheet" />
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<!--
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Impress.js doesn't depend on any external stylesheet. Script adds all styles it needs for
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presentation to work.
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This style below contains styles only for demo presentation. Browse it to see how impress.js
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classes are used to style presentation steps, or how to apply fallback styles, but I don't want
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you to use them directly in your presentation.
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Be creative, build your own. We don't really want all impress.js presentations to look the same,
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don't we?
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When creating your own presentation get rid of this file. Start from scratch, it's fun!
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-->
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<link href="css/impress-demo.css" rel="stylesheet" />
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</head>
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<body>
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<!--
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That's the wrapper for your presentation steps. In this element all the impress.js magic happens.
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It doesn't have to be a `<div>`. Only `id` is important here as that's how the script find it.
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It's worth to notice the `impress-not-supported` class. This class means, that browser doesn't
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support features required by impress.js, so you can apply some fallback styles in your CSS.
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It's not necessary to add it manually on this element. If the script detects that browser is not
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good enough it will add this class, but keeping it in HTML means that users without JavaScript
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will also get fallback styles.
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The class name on this element also depends on currently active presentation step. More details about
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it can be found below, when `hint` element is being described.
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-->
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<div id="impress" class="impress-not-supported">
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<div class="fallback-message">
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<p>Your browser <b>doesn't support the features required</b> by impress.js, so you are presented with a simplified version of this presentation.</p>
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<p>For the best experience please use the latest <b>Chrome</b> or <b>Safari</b> browser. Firefox 10 (to be released soon) will also handle it.</p>
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</div>
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<!--
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Here is where interesting thing start to happen.
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Each step of the presentation should be an element inside the `#impress` with a class name
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of `step`. These step elements are positioned, rotated and scaled by impress.js, and
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the 'camera' shows them on each step of the presentation.
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Positioning information is passed through data attributes.
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In the example below we only specify x and y position of the step element with `data-x="-1000"`
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and `data-y="-1500` attributes. This means that **the center** of the element (yes, the center)
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will be positioned in point x = -1000px and y = -1500px of the presentation 'canvas'.
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It will not be rotated or scaled.
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-->
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<div id="bored" class="step slide" data-x="-1000" data-y="-1500">
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<q>Aren't you just <b>bored</b> with all those slides-based presentations?</q>
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</div>
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<!--
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The `id` attribute of the step element is used to identify it in the URL, but it's optional.
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If it is not defined, it will get a default value of `step-N` where N is a number of slide.
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So in the example below it'll be `step-2`.
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The hash part of the url when this step is active will be `#/step-2`.
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You can also use `#step-2` in a link, to point directly to this particular step.
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Please note, that while `#/step-2` (with slash) would also work in a link it's not recommended.
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Using classic `id`-based links like `#step-2` makes these links usable also in fallback mode.
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-->
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<div class="step slide" data-x="0" data-y="-1500">
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<q>Don't you think that presentations given <strong>in modern browsers</strong> shouldn't <strong>copy the limits</strong> of 'classic' slide decks?</q>
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</div>
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<div class="step slide" data-x="1000" data-y="-1500">
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<q>Would you like to <strong>impress your audience</strong> with <strong>stunning visualization</strong> of your talk?</q>
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</div>
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<!--
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This is an example of step element being scaled.
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Again, we use a `data-` attribute, this time it's `data-scale="4"`, so it means that this
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element will be 4 times larger than the others.
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From presentation and transitions point of view it means, that it will have to be scaled
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down (4 times) to make it back to it's correct size.
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-->
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<div id="title" class="step" data-x="0" data-y="0" data-scale="4">
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<span class="try">then you should try</span>
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<h1>impress.js<sup>*</sup></h1>
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<span class="footnote"><sup>*</sup> no rhyme intended</span>
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</div>
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<!--
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This element introduces rotation.
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Notation shouldn't be a surprise. We use `data-rotate="90"` attribute, meaning that this
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element should be rotated by 90 degrees clockwise.
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-->
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<div id="its" class="step" data-x="850" data-y="3000" data-rotate="90" data-scale="5">
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<p>It's a <strong>presentation tool</strong> <br/>
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inspired by the idea behind <a href="http://prezi.com">prezi.com</a> <br/>
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and based on the <strong>power of CSS3 transforms and transitions</strong> in modern browsers.</p>
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</div>
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<div id="big" class="step" data-x="3500" data-y="2100" data-rotate="180" data-scale="6">
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<p>visualize your <b>big</b> <span class="thoughts">thoughts</span></p>
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</div>
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<!--
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And now it gets really exiting! We move into third dimension!
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Along with `data-x` and `data-y`, you can define the position on third (Z) axis, with
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`data-z`. In the example below we use `data-z="-3000"` meaning that element should be
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positioned far away from us (by 3000px).
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-->
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<div id="tiny" class="step" data-x="2825" data-y="2325" data-z="-3000" data-rotate="300" data-scale="1">
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<p>and <b>tiny</b> ideas</p>
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</div>
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<div id="ing" class="step" data-x="3500" data-y="-850" data-rotate="270" data-scale="6">
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<p>by <b class="positioning">positioning</b>, <b class="rotating">rotating</b> and <b class="scaling">scaling</b> them on an infinite canvas</p>
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</div>
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<div id="imagination" class="step" data-x="6700" data-y="-300" data-scale="6">
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<p>the only <b>limit</b> is your <b class="imagination">imagination</b></p>
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</div>
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<div id="source" class="step" data-x="6300" data-y="2000" data-rotate="20" data-scale="4">
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<p>want to know more?</p>
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<q><a href="http://github.com/bartaz/impress.js">use the source</a>, Luke!</q>
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</div>
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<div id="one-more-thing" class="step" data-x="6000" data-y="4000" data-scale="2">
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<p>one more thing...</p>
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</div>
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<!--
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And the last one shows full power and flexibility of impress.js.
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You can not only position element in 3D, but also rotate it around any axis.
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So this one here will get rotated by -40 degrees (40 degrees anticlockwise) around X axis and
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10 degrees (clockwise) around Y axis.
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You can of course rotate it around Z axis with `data-rotate-z` - it has exactly the same effect
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as `data-rotate` (these two are basically aliases).
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-->
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<div id="its-in-3d" class="step" data-x="6200" data-y="4300" data-z="-100" data-rotate-x="-40" data-rotate-y="10" data-scale="2">
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<p><span class="have">have</span> <span class="you">you</span> <span class="noticed">noticed</span> <span class="its">it's</span> <span class="in">in</span> <b>3D<sup>*</sup></b>?</p>
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<span class="footnote">* beat that, prezi ;)</span>
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</div>
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<!--
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So to make a summary of all the possible attributes used to position presentation steps, we have:
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* `data-x`, `data-y`, `data-z` -- they define the position of **the center** of step element on
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the canvas in pixels; their default value is 0;
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* `data-rotate-x`, `data-rotate-y`, 'data-rotate-z`, `data-rotate` -- they define the rotation of
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the element around given axis in degrees; their default value is 0; `data-rotate` and `data-rotate-z`
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are exactly the same;
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* `data-scale` -- defines the scale of step element; default value is 1
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-->
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<div id="overview" class="step" data-x="3000" data-y="1500" data-scale="10">
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</div>
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</div>
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<!--
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Hint is not related to impress.js in any way.
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But it can show you how to use impress.js features in creative way.
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When the presentation step is shown (selected) it's element get's the class of "active" and `#impress` root
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element get's the class based on active step id `step-ID` (where ID is the step id)... It probably is not
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so clear because of all these IDs in here, so for example when the first step (the one with id of `bored`)
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is active, `#impress` element get a class of `step-bored`.
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This class is used by this hint below. Check CSS file to see how it's shown with delayed CSS animation.
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-->
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<div class="hint">
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<p>Use a spacebar or arrow keys to navigate</p>
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</div>
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<!--
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Last, but not least.
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To make all described above really work, you need to include impress.js in the page.
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And you should do it in the end of your document. Not only because it's a good practice, but also
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because I was lazy, haven't wrapped the code in any kind of "DOM ready" event, so it will not work
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if included too early in the source ;)
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-->
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<script src="js/impress.js"></script>
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</body>
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</html>
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<!--
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Now you know more or less everything you need to build your first impress.js presentation, but before
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you start...
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Oh, you've already cloned the code from GitHub?
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You have it open in text editor?
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Stop right there!
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That's not how you create awesome presentations. This is only a code. Implementation of the idea that
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first needs to grow in your mind.
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So if you want to build great presentation take a pencil and piece of paper. And turn off the computer.
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Sketch, draw and write. Brainstorm your ideas on a paper. Try to build a mind-map of what you'd like
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to present. It will get you closer and closer to the layout you'll build later with impress.js.
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Get back to the code only when you have your presentation ready on a paper. It doesn't make sense to do
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it earlier, because you'll only waste your time fighting with positioning of useless points.
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If you think I'm crazy, please put your hands on a book called "Presentation Zen". It's all about
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creating awesome and engaging presentations.
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Think about it. 'Cause impress.js may not help you, if you have nothing interesting to say.
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-->
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<!--
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Are you still reading this?
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For real?
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I'm impressed! Feel free to let me know that you got that far (I'm @bartaz on Twitter), 'cause I'd like
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to congratulate you personally :)
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-->
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