HTMLFormControlsCollection.namedItem() method returns the RadioNodeList or the Element in the collection whose name or id match the specified name, or null if no node matches. Note that this version of namedItem() hides the one inherited from HTMLCollection. Like that one, in JavaScript, using the array bracket syntax with a String, like collection["value"] is equivalent to collection.namedItem("value").
var item = collection.namedItem(str); var item = collection[str];
DOMString
RadioNodeList or an Element.<form> <input id="myFormControl" type="textarea"/> </form>
elem1 = document.forms[0]["myFormControl"]; // Returns the HTMLInputElement representing #myFormControl
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'HTMLFormControlsCollection' in that specification. | Living Standard | No change since the last snapshot, HTML5. |
| HTML5 The definition of 'HTMLFormControlsCollection' in that specification. | Recommendation | In this snapshot of HTML Living Standard, the HTMLFormControlsCollections is defined for the first time. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | (Yes) | 27 (27) [1] | No support | (Yes) | ? |
| Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | (Yes) | 27.0 (27) [1] | No support | (Yes) | ? |
[1] Until Firefox 32 included, the eventual RadioNodeList returned by namedItem was a NodeList.
HTMLCollection.namedItem that it replaces.
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLFormControlsCollection/namedItem