chrome-ext-files/js/background.js
function focusTab(tabId) {
    var updateProperties = { "active": true };
    chrome.tabs.update(tabId, updateProperties, function (tab) { });
  }
function focusTab(tabId) {
    var updateProperties = { "active": true };
    chrome.tabs.update(tabId, updateProperties, function (tab) { });
  }
function focusTab ( tabId ) { var updateProperties = { "active" : true } ; chrome . tabs . update ( tabId , updateProperties , function ( tab ) { } ) ; }
Focus on the open extension tab
Focus on the open extension tab