The Role Of Java Script
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An introduction to JavaScript for educators at Ed Directions, a workshop at Web Directions North.
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The Role Of Java Script
- 1. The role of JavaScript
- 2. The fabled animal called JavaScript The role of JavaScript
- 3. • Easy to learn • Easy to implement • Immediate results • Very versatile The role of JavaScript
- 4. JavaScript makes the web a much easier, faster and prettier place. The role of JavaScript
- 5. Ajax is to web pages what instant messaging is to email. The role of JavaScript
- 6. JavaScript can also make the web a most frustrating and insecure experience. The role of JavaScript
- 7. It is up to us as educators to teach the sensible use of JavaScript. The role of JavaScript
- 8. Behaviour JavaScript Look and Feel CSS Structure, Semantics HTML Logic, Data, Validation Backend The role of JavaScript
- 9. • Separation of concerns Keeping these layers separated • Parallel development has lots of • On-demand changes benefits: are easy to achieve • Support for all environments and user agents. The role of JavaScript
- 10. JavaScript CSS HTML A traditional web site would be something like this: Backend The role of JavaScript
- 11. JavaScript A common web application right now is more like this: CSS HTML Backend The role of JavaScript
- 12. • Performance There are several good • Server traffic savings reasons for this: • Increased usability through to more responsive interfaces • Reduction of redundant steps. The role of JavaScript
- 13. • There is no security in There are several JavaScript good reasons • You cannot expect speaking against JavaScript to be enabled this: • Maintaining JavaScript is very hard. The role of JavaScript
- 14. • JavaScript is the village Why is bicycle: everyone can maintaining have a ride. JavaScript hard? • There is no official training or accreditation. • It is implemented in browsers and they are constantly changing The role of JavaScript
- 15. • We’re at a stage where Why is making things work is maintaining more important than JavaScript hard? creating quality code. • Re-use is harder and more expensive than starting over. The role of JavaScript
- 16. So what can be done? The role of JavaScript
- 17. We have to initiate a change in perception of JavaScript. The role of JavaScript
- 18. It is not a toy language but an integral part of modern web development. The role of JavaScript
- 19. Due to its low level of entry it is a great language to allow developers access and use your systems. The role of JavaScript
- 20. For this we need to define some educational goals: The role of JavaScript
- 21. • Building on best Goals for teaching practices: progressive JavaScript: enhancement, maintainability, modularity. • Removing the random browser element. The role of JavaScript
- 22. • Progressive Progressive enhancement means Enhancement that we add JavaScript as an interactive layer onto a working solution. • Every step on the way we test for support before applying functionality. The role of JavaScript
- 23. • Maintainable code is Maintainability very hard to find. • The reason is that we hack JavaScript together rather than following agreed architectures and methodologies. The role of JavaScript
- 24. • JavaScript solutions tend Modularity to be one-offs without an easy way to extend or change to different needs. • This stops re-use and per-case extension. The role of JavaScript
- 25. This, and the removal of random browser problems is the job of JavaScript frameworks. The role of JavaScript
- 26. Frameworks are there to make our lives as developers easier - not be a replacement for JavaScript. The role of JavaScript
- 27. There is nothing wrong with using a framework to make our code work across different browsers. The role of JavaScript
- 28. It is a better way of developing than following the w3c or ECMA recommendations to the T and failing to deliver working code. The role of JavaScript
- 29. Our goal should be to teach new developers to develop and deliver not to fix problems and write workarounds. The role of JavaScript
- 30. There are several challenges to be overcome until we get there. The role of JavaScript
- 31. • Lack of official Challenges JavaScript courses • Lack of promotion of code that builds interfaces - Web Development is HCI and CS. • JavaScript is a Jack of all trades. The role of JavaScript
- 32. The market needs good JavaScript developers, the support and implementation of this versatile and easy language is going nowhere but up. The role of JavaScript
- 33. It is up for us educators to help the market hire pragmatic and quality-oriented developers directly from school and university without the need for internal re-education. The role of JavaScript
- 34. Christian Heilmann THANKS! http://wait-till-i.com http://slideshare.net/cheilmann http://scriptingenabled.org chris.heilmann@gmail.com The role of JavaScript