HTML attributes are tools for providing additional information to HTML elements in the form of attribute name and value pairs. Common attributes include ID (identify element), class (group elements), style (set element style), SRC (link resource), ALT (image alternative text), title (tooltip text), HREF (hyperlink destination) . Property values can be strings, numbers, booleans, or enumerations. The order of property priority is CSS, inline style, and default element style.
HTML Tag Attributes
HTML attributes are an important tool for providing additional information about HTML elements. These properties can be used to set the element's behavior, appearance, or specify additional data.
Attribute syntax
HTML attributes use the form of attribute name and value pairs, separated by an equal sign. The attribute name is followed by an attribute value enclosed in double quotes or single quotes. For example:
这是一段红色文本。
Here,
styleis the attribute name, and
color: red;is the attribute value. This property sets the color of the
element's text to red.
Common Attributes
Some of the most common HTML attributes include:
Attribute value
Attribute value can be a string, number, boolean, or enumeration (list of predefined options). For example:
Here, the value of the typeattribute is text, indicating that this is a text input field.
Attribute priority
If an HTML element has multiple identical attributes, the CSS style has the highest priority, followed by the inline style, and finally the default element style .
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