html attribute data code example

Example 1: get data attribute javascript

// <div id="element" data-name="john"></div>

const el = document.querySelector('#element')
el.dataset.name // 'john'

Example 2: javascript get data attribute value

const article = document.querySelector('#electric-cars');
 
article.dataset.columns // "3"
article.dataset.indexNumber // "12314"
article.dataset.parent // "cars"

Example 3: accèder data-id javascript

<article
  id="voitureelectrique"
  data-columns="3"
  data-index-number="12314"
  data-parent="voitures">
...
</article>
var article = document.getElementById('voitureelectrique');
 
article.dataset.columns // "3"
article.dataset.indexNumber // "12314"
article.dataset.parent // "voitures"

Example 4: data attribute html

<!-- data-* attritubes can be used on any html element -->
<div data-my-custom-data="true"></div>

Example 5: 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>