What does the html span tag mean? Detailed explanation of the function of span tag-HTML Tutorial-php.cn

html What does span tag mean? This article will introduce to you the role of the span tag, how to use the html span tag and the attributes of the html span tag. Let us take a look at the details of this article

The definition and function of the html span tag: The

span tag is an inline tag of Hypertext Markup Language (HTML), which is used to combine inline elements in the document. span has no fixed format. When a style is applied to it, it creates a visual change.

The tag itself does not produce any visual effect.

It just provides a way for you to reference part of the document.

This way you can quote portions of text and style them or process them with JavaScript.

tags are used to group inline elements in a document.

Here are examples:

<p><span>some text.</span>some other text.</p>

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Example explanation:

If no style is applied to span, the text in the span element will not have any visual difference from other text. difference. Still, the span element in the example above adds extra structure to the p element.

You can apply id or class attributes to span, which can not only add appropriate semantics, but also facilitate the application of styles to span.

It is possible to apply either class or id attributes to the same element, but it is more common to apply only one of them. The main difference between the two is that class is used for groups of elements (similar elements, or can be understood as a certain type of elements), while id is used to identify individual and unique elements.

Tip: In fact, you may have noticed that some text on the W3School site is styled differently than other text. For example, "tips" are in bold orange. Although there are many ways to achieve this effect, our approach is: use the "hint" to use the span element, and then apply class to the parent element of the span element, that is, the p element, so that you can apply span to the child element of this class Corresponding style.

HTML:
<p><span>提示：</span>... ... ...</p>
CSS:
p.tip span {
font-weight:bold;
color:#ff9955;
}

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html How to use the span tag:

defines an area within a line, that is, a line can be divided into several by area to achieve a specific effect. itself has no properties. and

belong to an inline element in the CSS definition, while

is a block-level element. We may popularly understand that

means large Container, of course a large container can contain a small container, is a small container.

There are also examples:

<html><body><script>
function setspan{if( id==1){a.innerText="设置文字"};
if( id==2){a.innerHTML="<font color=red size=7>设置代码</font>"};}
</script><span id=a></span>
<a href=javascript:setspan(1)>设置span的文字</a></br>
<a href=javascript:setspan(2)>设置span的代码</a></br>
</body></html>

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For example:

<span id=&#39;span_slide_container&#39; style=&#39;display:block; overflow-y: auto; overflow-x: auto; height: 500px;&#39;>

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display:block; must be added here, otherwise, span will not work

If you want to define the span tag to be centered, you must first display the span as a block-level element. That is to say, you must first define the display:block; attribute of the span, and then add the margin attribute margin:0px auto; to the span. This will achieve what you want. The desired effect is achieved. There are many attributes of span. Almost all tag attributes can be defined on span. However, many attributes must take effect when span is turned into a block-level element. span itself is only to supplement the function of a tag. It is an auxiliary tag and is generally only used You can identify the style of the text, so if you want to define more other style attributes for the span tag, you must first add block-level attributes to the span, that is to say, add the display:block; attribute, so that in the future your The style will work

html Core attributes of the span tag:

The DTD column indicates which document type supports this attribute. S=Strict, T=Transitional, F=Frameset. The

tag supports the following core attributes:

What does the html span tag mean? Detailed explanation of the function of span tag

##Write a at the end and you can add styles at will.

style is just an attribute of span, and there are these. Among them, the mouse action attribute only lists onclick, and there are many other mouse action attributes.

Text content

Tips and Notes:

Tip: Use to group inline elements to format them with styles.

Note: span has no fixed format. It only changes visually when you apply a style to it.

The above is a detailed explanation of the meaning, function and usage of the html span tag. If you have any questions, please ask below.

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