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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
The URLSearchParams.keys()
method returns an iterator
allowing to go through all keys contained in this object. The keys are USVString
objects.
Note: This method is available in Web Workers.
Syntax
searchParams.keys();
Return value
Returns an iterator
.
Example
// Create a test URLSearchParams object var searchParams = new URLSearchParams("key1=value1&key2=value2"); // Display the key/value pairs for(var key of searchParams.keys()) { console.log(key); }
The result is:
key1 key2
Specifications
Specification | Status | Comment |
---|---|---|
URL The definition of 'keys() (as iterator<>)' in that specification. |
Living Standard | Initial definition |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | No support | 44 (44) | ? | ? | ? |
Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
---|---|---|---|---|---|---|---|---|
Basic support | No support | No support | 44.0 (44) | (Yes) | ? | ? | ? | No support |