URLSearchParams: keys() method

The keys() method of the URLSearchParams interface returns an iterator allowing iteration through all keys contained in this object. The keys are strings.

Syntax

keys()

Parameters

None.

Return value

Returns an iterator.

Examples

// 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

Browser compatibility

See also

• The URL interface.