data attribute html element code example

Example 1: html javascript find data attribute

//javascript get html data attribute
<button data-id="1" >Click</button>
<button data-id="2" >Click</button>
<button data-id="3" >Click</button>
const btns=document.querySelectorAll('button[data-id]');
[...btns].forEach(btn => console.log(btn.getAttribute('data-id')))

Example 2: data attribute html

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

Example 3: 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>

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