jquery Delete node Add node to find the simple realization of sibling node _jquery

$ (). empty (); This method deletes all child nodes under the current node, noting that the current node will not be deleted

$ (). remove (); This method deletes all child nodes under the current node, noting that the current node will be deleted

$ (). Append (' <a>something</a> ')//The method adds this a tag at the end of the current node

$ (). After (' <span style= "font-family:arial, Helvetica, Sans-serif;" ><a>something</a></span> '//The method adds this a tag after the current node is equivalent to adding a sibling element

$ (). Before (' <span> </span> ') by the same token, add a span to the front of a particular element

$ (). Prev ();

This method finds the previous sibling node of the current node, and the neighboring previous sibling

$ (). Next ();

This method will find the next sibling node of the current node, the next sibling node

$ (). Prevall ();

This method finds all sibling nodes before the current node

$ (). Nextall ();

This method finds all sibling nodes after the current node

$ (). siblings ();

This method finds all sibling nodes of the current node including before and after

---These methods parentheses inside please add selector to filter please note that the child nodes under sibling nodes and sibling nodes are different concepts

These are simple methods that are complicated and have to refer to the jquery API

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