Best way to learn lightning for beginners is Trailhead modules related to lightning, after that you can move on official documentation
you can follow my trailmix on trailhead : https://trailhead.salesforce.com/en/users/005500000060ZGNAA2/trailmixes/learn-lightning-component-development-faster
here is the other links for learn lightnign development :
Best way to learn lightning for beginners is Trailhead modules related to lightning, after that you can move on official documentation
you can follow my trailmix on trailhead :
https://trailhead.salesforce.com/en/users/005500000060ZGNAA2/trailmixes/learn-lightning-component-development-faster
here is the other links for learn lightnign development :
https://developer.salesforce.com/blogs/developer-relations/2017/04/lightning-components-performance-best-practices.html
http://www.sfdcmonkey.com/
http://www.jitendrazaa.com/blog/tag/lightning-component/
http://ccoenraets.github.io/salesforce-lightning-tutorial/
http://www.infallibletechie.com/2016/05/salesforce-lightning-tutorial.html
http://blog.jeffdouglas.com/2014/10/14/tutorial-build-your-first-lightning-component/
https://www.topcoder.com/blog/tutorial-building-lightning-components-with-spring-15/
http://sfdcinpractice.com/index.php/lightning-component-guide/
http://www.johnbrunswick.com/2015/01/salesforce-lightning-example-ideas-experiment/
https://force-base.com/2016/12/26/master-the-art-of-building-lightning-components-everything-you-need-to-know-about-lightning-components/
Best Regards,
Sandhya