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    Another thing we sometimes do in H5BP is introduce clever tricks like this that lead to a better understanding of code. I think this is a good example. The if statement is almost TOO obvious; it can afford to teach you something at the same time. Commented Apr 10, 2012 at 4:40
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    Any javascript programmer worth their salt will be able to read both forms equally well. When it comes to inline code, I typically prefer the shortest reasonable form, so I would use window.jQuery||document.write... for sake of brevity. Commented Apr 10, 2012 at 14:41
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    @PaulIrish I can't tell whether it's sarcasm or not. Commented Apr 10, 2012 at 19:41
  • So the idea is to teach a trick. -legitimate- but H5BP puts a stamp on everything saying essentially this ok, often probably being interpreted as the recommended way. (For H5BP) it's a matter of what's most valued - I say K.I.S.S. I vouch for stupid simple code that is really obvious. Either way developers are learning how to do a local fallback, eliminating clutter around how to do that I think would be best. Local fallback is a good trick. Short circuit statements, bad trick. Teach only good tricks? Commented Apr 10, 2012 at 19:43
  • Doesn't directly address this, but see javascript.crockford.com/style2.html Commented Jan 16, 2013 at 22:30