Jquery add data elements to a class

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var $add_aos = document.getElementsByClassName('item1');
$( $add_aos ).attr({"data-test-1": num1, "data-test-2": num2});
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You can use [html][/html], [css][/css], [php][/php] and more to embed the code. Urls are automatically hyperlinked. Line breaks and paragraphs are automatically generated.