js set data attribute value code example

Example 1: 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);

Example 2: how to set data attribute in js using setattribute

// setting data-foovar el = document.querySelector('div');el.setAttribute('data-foo', 'Hello World!');

Example 3: javascript get data attribute value

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

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Misc Example