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Example:. Ctrl and then a mouseover over GitHub > In Browser Console (Ctrl+Shift+J) it shows an error from content.js, line 287: Content-Security-Policy: The page’s settings blocked an event handler (script-src-attr) from being executed because it violates the following directive: “script-src That is in unction highlightActiveElement(newActiveElement, x, y) >>> line: extensionDiv.innerHTML = string;
