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')))how to select data attribute in javascript using queryselectorAll
<!DOCTYPE html>
<html>
<head></head>
<body>
<p data-foo="0"></p>
<h6 data-foo="1"></h6>
<script>
var a = document.querySelectorAll('[data-foo]');
for (var i in a) if (a.hasOwnProperty(i)) {
alert(a[i].getAttribute('data-foo'));
}
</script>
</body>
</html>Copyright © 2021 Codeinu
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