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ExtJS Interview Questions and Answers

  Difficulty Level: AllBeginnerIntermediateExperienced/Expert

Ques 1. Why do we need javascript Library?

Ques 2. Why did you choose Ext JS?

Ques 3. Integration of Web development server-side frameworks with Ext JS?

Ques 4. How to access DOM element using EXTJS?

Ques 5. What is syntax for Extjs Button click event?

Ques 6. What is use of Ext.onReady() function ?

Ques 7. List out the extjs library files to include in JSP page?

Ques 8. List out the css file required to apply Extjs Theme property?

Ques 9. What is purpose of MessageBox?

Ques 10. Write syntax for MessageBox show() method?

Ques 11. What is method to Update the message box body text for MessageBox?

Ques 12. What is a widget?

Ques 13. How to find no of records in a store?

Ques 14. How to handle updates for store changes?

Ques 15. How to get record using id?

Ques 16. What is the purpose of load() in store?

Ques 17. How many types of layout managers exist in extjs?what are they?

Ques 18. What is xtype?

Ques 19. How to get record object from store?

Ques 20. How to stop editing a record?

Ques 21. How to start editing a record?

Ques 22. How to commit a record modification?

Ques 23. How to get a value of textfield or combo box?

Ques 24. How to apply css on select of combo box?

Ques 25. What are components required for grid panel?

Ques 26. How to hide the column in grid panel?

Ques 27. How to write extjs decode()?

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