What are the methods for reading nodes in jquery?

The methods for reading nodes are: 1. "jQuery.parent(expr)"; 2. "jQuery.children(expr)"; 3. "jQuery.contents()"; 4. "jQuery. prev()"; 5. "jQuery.next()" and so on.

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

jquery Get node method

• jQuery.parent(expr)

  Find the parent node, You can pass in expr for filtering, such as $("span").parent() or $("span").parent(".class")

• jQuery.parents(expr)

  Similar to jQuery.parents(expr), but it searches all ancestor elements, not limited to parent elements

• jQuery.children(expr)

  Returns all child nodes. This method will only return direct child nodes and will not return all descendant nodes

• jQuery.contents()

  Returns all content below, including nodes and text. The difference between this method and children() is that including blank text will also be returned as a

• jQuery.prev()

  Previous sibling node, not all sibling nodes

• ##jQuery.prevAll()

  Returns all previous sibling nodes

• jQuery.next()

  Returns the next sibling node, not all sibling nodes

• jQuery.nextAll()

  Return all subsequent sibling nodes

• ##jQuery.siblings()

  Return Brothers and sisters nodes, regardless of front and back

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