DOM Traversal Methods

DOM Traversal Methods
$()
Creates a new jQuery object matching elements in the DOM.
$(selector[, context])
$(element)
$(elementArray)
$(object)
$(html)
Parameters (first version)
• selector: A string containing a selector expression
•
context (optional): The portion of the DOM tree within which to search
Parameters (second version)
• element: A DOM element to wrap in a jQuery object
Parameters (third version)
• elementArray: An array containing a set of DOM elements to wrap in a
jQuery object
Parameters (fourth version)
• object: An existing jQuery object to clone
Parameters (fifth version)
•
html: A string containing an HTML snippet describing new DOM elements
to create
Return Value
The newly constructed jQuery object.
Description
In the first formulation listed above, $() searches through the DOM for any element
that match the provided selector and creates a new jQuery object that references
these elements:
$('div.foo');
In Chapter 2 we explored the range of selector expressions that can be used within
this string.
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