Ext can be used by Web Application developers who are familiar with HTML but may have little or no experience with JavaScript application development. If you are starting to build a new web application, or you are revamping an existing application, then take your time to understand the basics of the library including.
Tell me what is the purpose of each() in store?
What is xtype?
How to how many types of layout managers exist in extjs?what are they?
What is vtype?
Tell me how to get record object from store?
Explain how we can apply pagination in grid panel?
Explain purpose of Load mask?
Explain purpose of renderer in grid panel?
Do you know how to get selection model used in a grid panel?
Explain how to stop editing a record?
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