Release Ctrl to switch to the currently highlighted tab. Press and keep holding Ctrl, and then press Tab to bring up the tab-cycler. The visual tab-cycler is a tab-preview popup that lets you cycle through thumbnails of your open tabs. Several actions are available to be performed for the tab from this menu: Right-click (Ctrl+click on Mac) a tab to open its context menu. To open a new tab, click the +button on the tab bar. Tabs allow you to interact with many pages simultaneously without closing a page until you are ready. Opera can organize multiple pages into one browsing window using tabs, which are designed to resemble paper filing tabs. There you can select to pin the sidebar, enable a narrow sidebar, or enable messenger notification badges. You can also access the sidebar settings from Settings > Sidebar. The Sidebar setup panel will open, allowing you to edit or remove elements on your sidebar, like Workspaces, Messengers, History, extensions, as well as other features and tools. To customize your sidebar, click the three-dot icon at the bottom of your sidebar. You can customize which Workspaces, messengers, and other features will be visible in your sidebar. Unpinning the sidebar will make the sidebar only available from the start page. Click the button again to unpin the sidebar. To pin the sidebar to Opera, click on the Easy setup button to the right of the combined address and search bar. Opera’s sidebar is your quick access to Workspaces, Messengers, Speed Dials, Flow, bookmarks, personal news, tabs, history, extensions, downloads, and preferences. Here you can interact with web pages by reading text, viewing pictures, clicking links, and more. (5) The web view shows the content of a page. Read more about the combined address and search bar. You can type website addresses, for example, or search the web with key words, for example ‘Opera browser’. (4) The combined address and search bar directs the browser to websites and searches the web. (3) The navigation buttons tell the browser where to go to view pages: Button To open a new tab, click the + button on the tab bar. (2) The tab bar navigates between pages when you view more than one at a time. You can open new tabs or browser windows, zoom pages, or view Opera pages such as Speed Dial, news, bookmarks, downloads, history, or settings. (1) For Windows and Linux, the main menu offers ways of interacting with the browser. Minimize the current window, zoom, or select open windows and tabs.Īccess Opera help pages, view keyboard shortcuts, or report issues. Open the bookmark manager, bookmark the current page, or navigate to pages in your bookmark folders. Navigate back or forward, reopen closed tabs or windows, navigate to recently-viewed pages, or view your full browsing history. Zoom, show or hide the bookmarks bar or the extensions sidebar, toggle the toolbar in full-screen, browse in full screen, access start page items (Speed Dial or news), view downloads, manage extensions or themes, open the password manager. Manipulate text (copy, paste, or select), search for text in pages, or check spelling. Manage tabs or windows, open files and locations, save pages locally, or print. View information about your version of Opera, access preferences, sign in to your Opera account, clear browsing data, import browsing data, get themes and extensions, or quit the browser. (1) For Mac, the menu bar offers the following options: Menu Navigation buttons (back, forward, refresh/stop, start page).In this simple example it does not matter, but in more complex applications, it might become a security issue in the form of XSS.The Opera browser consists of five groups of elements on the screen: Learn to use textContent instead of innerHTML when you intend to change the text. Note that I've replaced innerHTML with textContent. textContent = a ĭocument.getElementById('do-count').onclick = count The result is shown below: hello.html (popup page) ĭocument.getElementById('demo'). To solve the problem, you have to remove all inline JavaScript from your HTML file, and put it in a separate JS file. This explains that your code is not working, because it violates the default CSP: Inline JavaScript will not be executed. Refused to execute inline script because it violates the following Content Security Policy directive: "script-src 'self' chrome-extension-resource:". After doing that, you will see the following error message: Right-click on your popup button, and click on "Inspect popup". I've created a screencast of one minute to show what's wrong:įirst, I've shown how to debug the problem. Your code is not working because it violates the default Content Security Policy.
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