URLSearchParams: keys() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.
Note: This feature is available in Web Workers.
The keys() method of the URLSearchParams interface returns an iterator allowing iteration through all keys contained in this object. The keys are strings.
Syntax
js
keys() Parameters
None.
Return value
Returns an iterator.
Examples
js
// Create a test URLSearchParams object const searchParams = new URLSearchParams("key1=value1&key2=value2"); // Display the keys for (const key of searchParams.keys()) { console.log(key); } The result is:
key1 key2
Specifications
| Specification |
|---|
| URL # dom-urlsearchparams-urlsearchparams |
Browser compatibility
See also
- The
URLinterface.