The Headers.entries() method returns an iterator allowing to go through all key/value pairs contained in this object. Both the key and value of each pair are String objects.
Note: This method is available in Web Workers.
The Headers.entries() method returns an iterator allowing to go through all key/value pairs contained in this object. Both the key and value of each pair are String objects.
Note: This method is available in Web Workers.
js
entries()
None.
Returns an iterator.
js
// Create a test Headers object const myHeaders = new Headers(); myHeaders.append("Content-Type", "text/xml"); myHeaders.append("Vary", "Accept-Language"); // Display the key/value pairs for (const pair of myHeaders.entries()) { console.log(`${pair[0]}: ${pair[1]}`); }
The result is:
content-type: text/xml vary: Accept-Language
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
entries |
42 | 16 | 44 | No | 29 | 10.1 | 42 | 42 | 44 | 29 | 10.3 | 4.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/Headers/entries