The getElementsByName() method of the Document object returns a NodeList Collection of elements with a given name attribute in the document.
getElementsByName(name)nameThe value of the name attribute of the element(s) we are looking for.
A live NodeList collection, meaning it automatically updates as new elements with the same name are added to, or removed from, the document.
<!doctype html>
<html lang="en">
<head>
<title>Example: using document.getElementsByName</title>
</head>
<body>
<input type="hidden" name="up" />
<input type="hidden" name="down" />
</body>
</html>const upNames = document.getElementsByName("up");
console.log(upNames[0].tagName); // displays "INPUT"The name attribute can only be applied in (X)HTML documents.
The returned NodeList Collection contains all elements with the given name, such as <meta>, <object>, and even elements which do not support the name attribute at all.
document.getElementById() to return a reference to an element by its unique iddocument.getElementsByTagName() to return references to elements with the same tag namedocument.querySelector() to return references to elements via CSS selectors like 'div.myclass'