HTMLCollection: namedItem() method - Web APIs | MDN
Syntax
Parameters
key-
A string representing the value of the
idornameattribute of the element we are looking for.
Return value
The first Element in the HTMLCollection matching the key, or null if there is none. Always returns null if key is the empty string.
Example
HTML
html
<div id="personal">
<span name="title">Dr.</span>
<span name="first-name">Carina</span>
<span name="last-name">Anand</span>
<span id="degree">(MD)</span>
</div>
JavaScript
js
const container = document.getElementById("personal");
// Returns the HTMLSpanElement with the name "title" if no such element exists null is returned
const titleSpan = container.children.namedItem("title");
// The following variants return undefined instead of null if there's no element with a matching name or id
const firstNameSpan = container.children["first-name"];
const lastNameSpan = container.children["last-name"];
// Returns the span element with the id "degree"
const degreeSpan = container.children.namedItem("degree");
const output = document.createElement("div");
output.textContent = `Result: ${titleSpan.textContent} ${firstNameSpan.textContent} ${lastNameSpan.textContent} ${degreeSpan.textContent}`;
container.insertAdjacentElement("afterend", output);
Specifications
| Specification |
|---|
| DOM # dom-htmlcollection-nameditem-key |