JQuery entry Constructor

Document directory

• JQuery Constructor

Advantages of JQuery
Small volume (v1.2.3 15kb)
Rich DOM selectors (CSS1-3 + XPath) across browsers (IE6, FF, Safari, Opera)
Blockchain chain code
◦ Powerful event and style support
◦ Powerful AJAX Functions
Extensions are easy to expand and many plug-ins are available.
JQuery constructor receives four types of parameters:
JQuery (expression, context)
JQuery (html)
JQuery (elements)
JQuery (fn)
First, find the elements in the document based on the expression (ID, DOM element name, CSS expression, and XPath expression), and assemble them into a jQuery object to return.
DEMO:

Xmlns = "http://www.w3.org/1999/xhtml">

JQuery Constructor

• JQuery (expression, context)
• JQuery (html)
• JQuery (elements)
• JQuery (fn)