Readonly
lengthThe HTMLAllCollection.length
property returns the number of items in this HTMLAllCollection.
The item()
method of the HTMLAllCollection interface returns the element located at the specified offset into the collection, or the element with the specified value for its id
or name
attribute.
Optional
nameOrIndex: stringThe namedItem()
method of the HTMLAllCollection interface returns the first Element in the collection whose id
or name
attribute matches the specified name, or null
if no element matches.
The
HTMLAllCollection
interface represents a collection of all of the document's elements, accessible by index (like an array) and by the element'sid
.MDN Reference