Part 3 of the jQuery Interview Questions series dives deeper into advanced concepts, focusing on performance optimization, event delegation, plugin development, AJAX handling, and best practices for scalable front-end development. This section is designed to assess real-world problem-solving skills and in-depth knowledge of how jQuery works behind the scenes.
21. What are the methods used to provide effects?
Some of the effects methods are:
22. What is the advantage of using minimized version of jQuery?
Efficiency of web page increases when minimized version of jQuery is used.min.js file will be more than 50% less than the normal js file. Reduction in the file size makes the web page faster.
23. Is jQuery is a JavaScript or JSON library file?
jQuery is a library of JavaScript file and it consists of DOM, event effects and the Ajax functions. jQuery is said to be a single JavaScript file.
24. Which operating system is more compatible with jQuery?
Mac, Windows and Linux are more compatible with the jQuery.
25. How can we include jQuery library in ASP.Net project?
Download the jQuery library from jQuery.com and include that reference in the asp.net page.
26. Which command will give a version of jQuery?
The command $.ui.version returns jQuery UI version.
27. In what scenarios jQuery can be used?
jQuery can be used in following scenarios:
28. What is the difference between find and children methods?
Find method is used to find all levels down the DOM tree but children find single level down the DOM tree.
29. What is jQuery connect?
A ‘ jQuery connect’ is a plugin used to connect or bind a function with another function. Connect is used to execute function from any other function or plugin is executed.
30. How to use connect?
Connect can be used by downloading jQuery connect file from jQuery.com and then include that file in the HTML file. Use $.connect function to connect a function to another function.
