ExtJS. Presentations in the examples

I would like to start introducing everyone to the ExtJS framework. It turns out that everything is not as difficult as it may seem ...

1. [ExtJS] :: Part 1. Introduction. DOM model and data types in ExtJS
2. [ExtJS] :: Part 2. ExtJS user interface basics
3. [ExtJS] :: Part 3. Loading, checking and processing forms in ExtJS
4. [ExtJS] :: Part 4. Working with drop-down lists and calendar
5. [ExtJS] :: Part 5. Displaying and editing tabular data
6. [ExtJS] :: Part 6. Overview of tables and lists
7. [ExtJS] :: Part 7. Tabs and trees

Link to the resource here
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For now.

I think the developers will be interested. I plan to post more materials a little later, as free time appears.

Ps. HOLIDAY GREETINGS!!!