chrome-extensionHow to modify requests headers

chrome.webRequest.onBeforeSendHeaders.addListener( function(e) {
    for ( let header of e.requestHeaders ) {
      if ( header.name.toLowerCase() === 'user-agent' ) {
        header.value = 'some other value';
      }
    }
    return {requestHeaders: e.requestHeaders};
  }, {urls: ['<all_urls>']}, ['blocking', 'requestHeaders']
);ctrl + c
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