Open a Browser Tab with DevTools Open by Default
Using command line flags is a great way to subtly improve productivity. Whether saving yourself keystrokes or enabling specific features, it's very much worth knowing the application flags available to you.
To launch a new tab with DevTools in Chrome, you can use the --auto-open-devtools-for-tabs command line flag:
/Applications/Google\ Chrome\ Canary.app/Contents/MacOS/Google\ Chrome\ Canary --auto-open-devtools-for-tabs https://davidwalsh.name
Having the DevTools console immediately launch when opening a new tab can be very helpful, if only to avoid needing to complete the keyboard shortcuts every time you launch a tab. If you're an uber-nerd like me, you're never not in developer mode!
![Page Visibility API]()
One event that's always been lacking within the document is a signal for when the user is looking at a given tab, or another tab. When does the user switch off our site to look at something else? When do they come back?
![CSS 3D Folding Animation]()
Google Plus provides loads of inspiration for front-end developers, especially when it comes to the CSS and JavaScript wonders they create. Last year I duplicated their incredible PhotoStack effect with both MooTools and pure CSS; this time I'm going to duplicate...
![HTML5 Placeholder Styling with CSS]()
Last week I showed you how you could style selected text with CSS. I've searched for more interesting CSS style properties and found another: INPUT placeholder styling. Let me show you how to style placeholder text within INPUTelements with some unique CSS code.
The CSS
Firefox...
![Use Custom Missing Image Graphics Using MooTools]()
Missing images on your website can make you or your business look completely amateur.
Unfortunately sometimes an image gets deleted or corrupted without your knowledge.
You'd agree with me that IE's default "red x" icon looks awful, so why not use
your own missing image graphic?
The MooTools JavaScript
Note that...
having to use chromium would greatly overweight the tiny benefit of having dev-tools auto open effectively making everything much worse