A data-* attribute on a <label> tag attaches additional data to the label.
To create a custom attribute, replace * with a lowercase string, such as data-id, data-status, or data-location.
A custom data-order attribute on a <label>.
The attribute value is not visible, but it is readable by JavaScript.
<form>
<label for="firstname" data-order="1">First Name</label><br />
<input type="text" id="firstname" name="firstname">
</form>
The data-* attribute adds custom information to a <label> element.
The * part is replaced with a lowercase string, such as data-id, data-cost, or data-location.
An <label> element can have any number of data-* attributes, each with their own name.
Using data-* attributes reduces the need for requests to the server.
Note: The data-* attribute is not visible and does not change the appearance of the label.
<label data-*="value">
Note: The * can be any string, such as data-id, data-cost, data-supplier, etc.
| Value | Description |
|---|---|
| value | A string value. Can be numeric, alphanumeric, JSON, etc. |
A custom data-binding attribute on a <label> tag.
Clicking the button will display the binding value.
<form>
<label id="mylabel" for="firstname" data-binding="Customer first name">First Name</label><br />
<input type="text" id="firstname" name="firstname">
</form>
<br/>
<button onclick="show();">Show data</button>
<script>
let show = () => {
let element = document.getElementById("mylabel");
alert("Label for = " + element.getAttribute('data-binding'));
}
</script>
The <label> tag has a custom data-for attribute.
The data-for attribute stores what type of data the label is used for.
Clicks are handled by the onclick event.
Onclick invokes a JavaScript function that extracts and displays the label purpose.
Note: Notice how the label purpose displays immediately without server call.
Here is when data-* support started for each browser:
 Chrome
|
1.0 | Sep 2008 |
 Firefox
|
1.0 | Sep 2002 |
 IE/Edge
|
1.0 | Aug 1995 |
 Opera
|
1.0 | Jan 2006 |
 Safari
|
1.0 | Jan 2003 |
Back to <label>
