Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

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JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

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If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

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Visit your global Editor Settings.

HTML

              
                <div class="text-overflow">HTML5学堂:本文当中我们主要为大家讲解如何实现文本超出显示为省略号;同时讲解一下,在网页开发与制作的时候,我们什么时候应该考虑内容撑开宽高,又应该在何时考虑文本超出的问题。</div>
              
            
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CSS

              
                .text-overflow {
	width: 400px;
	height: 40px;
	line-height: 20px;
	/*如下为超出隐藏显示为省略号的核心代码*/
	overflow: hidden;    /* 内容超出宽度时隐藏超出部分的内容 */
	text-overflow: ellipsis;    /* 当对象内文本溢出时显示省略标记(...) ;需与overflow:hidden;一起使用。*/
	word-break: keep-all;    /* 不换行 */
	white-space: nowrap;    /* 不换行 */
}
              
            
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JS

              
                
              
            
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999px

Console