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Headers.forEach

Read response headers.

js
response.headers.forEach(callback)

Arguments

ArgumentTypeMeaning
callbackfunctionReceives value and name for each header.

Returns

No return value (undefined).

Example

js
fetch("https://example.com").then(response => {
  console.log(response.headers.forEach((value, name) => console.log(name, value)));
}).catch(error => { console.error(error.message); throw error; });

All JavaScript APIs · Automation playbook