This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use 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 spec changes.
The URLUtilsReadOnly.port read-only property returns a DOMString containing the port number of the URL.
string = object.port;
// In a Web worker, on the page https://developer.mozilla.org/en-US/URLUtilsReadOnly.port var result = window.self.port; // Returns:'80'
| Specification | Status | Comment |
|---|---|---|
| URL The definition of 'URLUtilsReadOnly.port' in that specification. | Living Standard | Initial definition. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | Not supported [1] | 3.5 (1.9.1) | Not supported [1] | Not supported [1] | Not supported [1] |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | Not supported [1] | Not supported [1] | 1.0 (1.9.1) | Not supported [1] | Not supported [1] | Not supported [1] |
[1] Though not grouped in a single abstract interface, this method is directly available on the interfaces that implement it, if this interface is supported.
URLUtilsReadOnly interface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/URLUtilsReadOnly/port