Learning Ext JS 4 (English Edition) - Softcover

Über die Autorinnen und Autoren

Crysfel Villa is a Software Engineer with more than 7 years of experience with JavaScript on a daily basis. He started his career as a Web Developer working with HTML and basic JavaScript in the late nineties, but then he started focusing on Server Side technologies, such as PHP and Java J2EE. Before he started working with the Ext JS library he loved to work with MooTools, but in late 2007 he started learning about an awesome new library that was emerging as an Open Source project. At that time the version 2.0 of the Ext JS library was just coming out and Crysfel started using this new library for medium-large projects in the agency that he used to work with. In early 2010 Crysfel started working as a freelancer, he began to train teams on Ext JS for private companies, writing a blog with tutorials, tips and tricks, developing custom components on Ext JS for his clients, and working on Open Source projects to share his knowledge with the world. If you want to find more information about his work, you can follow him on Twitter (@crysfel) or download his Open Source projects from GitHub (crysfel).

Armando Gonzalez is a Software Engineer with more than 4 years of experience in developing enterprise applications with Ext JS. He has plenty of experience in server-side technologies like PHP, Java J2EE, Node JS, and ROR. Before he started with Ext JS he was a Java and PHP developer. Since he started using JavaScript and Ext JS he became a JavaScript Evangelist, and started training teams on JavaScript and Ext JS. He loves to teach and share his knowledge with other developers and is always trying to make them use this awesome library. In early 2012 Armando started a software company, Codetlan, with some of his friends. This company focuses on developing enterprise applications using Sencha technologies. He is also a minor actionist in a Mexican startup called Cursame, where he developed the mobile version of the application and helped developing the main application using ROR technologies. If you want to know more about his work, you can follow him on Twitter (@manduks) or can watch his Open Source projects on Github (manduks).