We should have a basic knowledge of following languages before we start jquery.
What basically jquery is
Features of jquery
HTML event methods
Effects and animations
Many of the biggest companies on the Web use jQuery, like Google, Microsoft, IBM, Netflix
Basic syntax of jquery
Basic syntax is: $(selector).action()
A $ sign to define/access jQuery
A (selector) to "query (or find)" HTML elements
Ease of use
Great documentation and tutorials
The JQuery website has a wide-ranging documentation and tutorials to get even a beginner in programming to get the ball rolling with this library.
JQuery lets us to develop Ajax templates with no difficulty. Ajax allows a sleeker interface where actions can be performed on pages without involving the entire page to be reloaded.
Functionality may be limited