HTML DOMTokenList keys()
❮ The DOMTokenList ObjectExamples
Get a DOMTokenList from "demo":
let list = document.getElementById("demo").classList;
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List the keys of the list:
const list = document.body.childNodes;
for (let x of list.keys()) {
text += x;
}
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List the values from the list:
const list = document.body.childNodes;
for (let x of list.values()) {
text += x;
}
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Definition and Usage
The keys() method returns an Iterator with the keys from a
DOMTokenList.
See Also:
Syntax
domtokenlist.keys()
Parameters
| NONE |
Return Value
| Type | Description |
| Object | An Iterator object with the keys from the list. |
Browser Support
domtokenlist.keys() is a DOM Level 4 (2015) feature.
It is supported in all modern browsers:
| Chrome | Edge | Firefox | Safari | Opera |
| Yes | Yes | Yes | Yes | Yes |
domtokenlist.keys() is not supported in Internet Explorer 11 (or earlier).
❮ The DOMTokenList Object
