use data attribute in css code example
Example 1: css set property with data attribute
div::after {
content: attr(data-whatever);
}
Example 2: css data attribute selector
[data-value] {
}
[data-value="foo"] {
}
[data-value*="foo"] {
}
[data-value~="foo"] {
}
[data-value^="foo"] {
}
[data-value|="foo"] {
}
[data-value$="foo"] {
}
Example 3: data attribute html
<!-- data-* attritubes can be used on any html element -->
<div data-my-custom-data="true"></div>
Example 4: html data attribute
<a data-color="blue">
This tag contains a user-defined color attribute
</a>
<div data-link="https://github.com/k-vernooy">
This tag contains a data attribute with a link
</div>