Custom data attributes html

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);

Javascript get data attribute value

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

Source: developer.mozilla.org

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>

Similar codes

25 votes118 views4 answers
Html select default value
Html
1 vote122 views1 answer
Html set input type date to disable previous dates
Html
0 vote118 views1 answer
Html link confirm
Html
0 vote115 views1 answer
How to default select a span tags functions
Html
10 votes127 views4 answers
Bootstrap progress bar with percentage
Html
1 vote113 views1 answer
<h1>
Html
0 vote155 views3 answers
How to auto fit image in div
Html
0 vote116 views1 answer
Python virtualenv venv
Html
0 vote111 views1 answer
Is header default name for html head tag
Html
0 vote136 views1 answer
How to add navbar
Html