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89 lines
3.9 KiB
Markdown
89 lines
3.9 KiB
Markdown
---
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layout: docs
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title: Progress
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description: Documentation and examples for using Bootstrap progress bars.
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group: components
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---
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Stylize [the HTML5 `<progress>` element](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/progress) with a few extra classes and some crafty browser-specific CSS. Be sure to read up on the browser support.
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## Contents
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* Will be replaced with the ToC, excluding the "Contents" header
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{:toc}
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## Example
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To caption a progress bar, simply add a `<div>` with your caption text, [align the text using a utility class]({{ site.baseurl }}/utilities/typography/#text-alignment), and associate the caption with the `<progress>` element using the `aria-describedby` attribute.
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{% example html %}
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<div class="text-xs-center" id="example-caption-1">Reticulating splines… 0%</div>
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<progress class="progress" value="0" max="100" aria-describedby="example-caption-1"></progress>
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<div class="text-xs-center" id="example-caption-2">Reticulating splines… 25%</div>
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<progress class="progress" value="25" max="100" aria-describedby="example-caption-2"></progress>
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<div class="text-xs-center" id="example-caption-3">Reticulating splines… 50%</div>
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<progress class="progress" value="50" max="100" aria-describedby="example-caption-3"></progress>
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<div class="text-xs-center" id="example-caption-4">Reticulating splines… 75%</div>
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<progress class="progress" value="75" max="100" aria-describedby="example-caption-4"></progress>
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<div class="text-xs-center" id="example-caption-5">Reticulating splines… 100%</div>
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<progress class="progress" value="100" max="100" aria-describedby="example-caption-5"></progress>
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{% endexample %}
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## IE9 support
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Internet Explorer 9 doesn't support the HTML5 `<progress>` element, but we can work around that.
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{% example html %}
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<div class="text-xs-center" id="example-caption-6">Reticulating splines… 25%</div>
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<progress class="progress" value="25" max="100" aria-describedby="example-caption-6">
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<div class="progress">
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<span class="progress-bar" style="width: 25%;"></span>
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</div>
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</progress>
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{% endexample %}
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## Contextual alternatives
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Progress bars use some of the same button and alert classes for consistent styles.
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{% example html %}
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<progress class="progress progress-success" value="25" max="100"></progress>
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<progress class="progress progress-info" value="50" max="100"></progress>
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<progress class="progress progress-warning" value="75" max="100"></progress>
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<progress class="progress progress-danger" value="100" max="100"></progress>
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{% endexample %}
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### Striped
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Uses a gradient to create a striped effect.
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{% example html %}
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<progress class="progress progress-striped" value="10" max="100"></progress>
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<progress class="progress progress-striped progress-success" value="25" max="100"></progress>
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<progress class="progress progress-striped progress-info" value="50" max="100"></progress>
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<progress class="progress progress-striped progress-warning" value="75" max="100"></progress>
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<progress class="progress progress-striped progress-danger" value="100" max="100"></progress>
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{% endexample %}
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### Animated stripes
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The striped gradient can also be animated. Add `.progress-animated` to `.progress` to animate the stripes right to left via CSS3 animations.
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**Animated progress bars do not work in IE9 and Opera 12** – as they don't support CSS3 animations – **nor in IE10+ and Microsoft Edge** – as they currently don't support CSS3 animations on the [`::-ms-fill` pseudo-element](https://msdn.microsoft.com/en-us/library/windows/apps/hh465757.aspx).
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<div class="bd-example">
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<progress class="progress progress-striped" value="25" max="100"></progress>
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<button type="button" class="btn btn-secondary bd-activate-animated-progressbar" data-toggle="button" aria-pressed="false" autocomplete="off">
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Toggle animation
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</button>
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</div>
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{% highlight html %}
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<progress class="progress progress-striped progress-animated" value="25" max="100"></progress>
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{% endhighlight %}
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