js get data attribute
var element = document.querySelector('.element');
var dataAttribute = element.getAttribute('data-name');
// replace "data-name" with your data attribute name
console.log(dataAttribute);js get data attribute
var element = document.querySelector('.element');
var dataAttribute = element.getAttribute('data-name');
// replace "data-name" with your data attribute name
console.log(dataAttribute);custom data attributes html
<div data-myvar="hello world"</div>
<script>
//Note: attribute in html will force lowercase, make sure all letters are lower
var element = document.querySelector("div");
console.log(element.dataset.myvar);
//outputs: hello world
</script>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')))html javascript data attributes
/* index.html
<div
id="test-div"
data-first-name="Tom"
data-last-name="Mot"
data-active
></div>
*/
// Reading
const div = document.getElementById("test-div");
console.log(div.dataset);
/*
{
active: ""
firstName: "Tom"
lastName: "Mot"
}
*/
// Writing
const div = document.getElementById("test-div");
div.dataset.test = "Hello World!";
console.log(div.dataset.test); // Hello Worldjavascript get data attribute value
const article = document.querySelector('#electric-cars');
article.dataset.columns // "3"
article.dataset.indexNumber // "12314"
article.dataset.parent // "cars"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>Copyright © 2021 Codeinu
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