Using JS to manipulate ELEMENT nodes

Does the 1-node access relationship exist as an attribute? box1.nextelementsibling           Get the next sibling node of Box1;  Box1.parentNode.childNodes     Get all sub-nodes Box1.parentNode.children         Get all child nodes Box1.parentNode.firstElementChild         Check the operation of your   2 node?    Create node: Var & NBSP;AAA = document.createelement (' li ');    Add node: Box1.appendchild (AAA);                       box1.insertbefore (BBB,AAA);  &nbsp ;                box1.insertafter ();    Delete node: Box1.removechild (AAA); nbsp                  aaa.parentnode.removechild (AAA);      //Delete yourself     Replace node:  box1.replacechild (Aaa,targetnode);  3 two ways to set or get element nodes?  & nbsp;         var Elenode = Document.getelmentSbytagname (' img ') [0];   //Set value     ELENODE.SRC = ' images/tm.png ';    elenode.bbb = ' Huihua ' ;    Elenode.setattribute (' id ', ' dog ');    elenode.setattribute (' CCC ', ' Huihua ');    //Get values     Console.log (elenode.tagname);    Console.log (elenode.getattribute (' id '));     //delete values     Elenode.removeattribute (' id ');

Using JS to manipulate ELEMENT nodes