URLSearchParams.keys() - Web APIs 编辑

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

Note: This method is available in Web Workers.

Syntax

searchParams.keys();

Parameters

None.

Return value

Returns an iterator.

Examples

// Create a test URLSearchParams object
var searchParams = new URLSearchParams("key1=value1&key2=value2");

// Display the keys
for(var key of searchParams.keys()) {
  console.log(key);
}

The result is:

key1
key2

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• The URL interface.