Every modern web browser includes a powerful suite of developer tools. These tools do a range of things, from inspecting currently-loaded HTML, CSS and JavaScript to showing which assets the page has requested and how long they took to load. This article explains how to use the basic functions of your browser's devtools.... Three ways: Keyboard: Windows: Ctrl + Shift + I or F12 macOS:...Console tab. This will give you a window like the following: To see...