Tutsplus - Next Generation JavaScript with AMD and RequireJS

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Tutsplus - Next Generation JavaScript with AMD and RequireJS

English | .MOV | aac, 44100 Hz, stereo | h264, yuv420p, 1280x800, 30.00 fps | 299 Mb

Genre: eLearning

 

 

There are a couple of issues with this method.

 

Firstly, it's just plain inconvenient. All the JavaScript in all the scripts is loaded into the global "namespace." Of course, this may be misleading to beginners, who could easily-and excusable-think that identically-named variables in different files won't conflict. But more than that, it's a pain for experienced JavaScript developers with perhaps dozens of JavaScript files. Some files will depend on others, which may depend on others, etc. And you're on playground duty: you've got to make sure they all arrive in the right order, and that nobody clobbers anybody. This can be both tricky or time-consuming, depending on the project.

 

Secondly-and more importantly-when a browser is downloading and executing JavaScript files, that's all it's doing; it's blocking the downloading of other content until that's done. This is why you've heard it recommended to put your