- Tech
- I boring before, a tree written in JavaScript
test </ title> <meta http-equiv = "content-type" content = "text / html; charSet = GB2312"> <script language = "javascript"> Function AddLeaf (ParentID) {Var leafhtml = ''; var bh = 0; var node_path, parent; bh = parseint (lsh.value) 1; 1 lsh.Value = BH; if (ParentID! = 0) {Parent = Document.getlementByid (' tree_path_ ' parentID); node_path = parent.value ', ' bh; parent = document.getElementById (' tree_UL_ ' parentID);} else {parent = document.getElementById (' tree_div_0 '); node_path =' 0, ' bh;} // Alert (' '); leafhtml =' <div ID = Tree_div_ ' bh '> '; leafhtml = leafhtml <li id = Tree_li_' BH '>'; Leafhtml = Leafhtml '<input id = tree_nodeName_' bh; leafHTML = leafHTML 'οnclick = newparent.value =' bh '; οnkeydοwn = changesize (tree_nodeName_' bh '); type = text style = border: none; cursor : hand size = 6 value = new node> '; leafhtml = leafhtml ' <input id = Tree_path_ ' BH ' Type = Hidden VA lue = ' node_path '> '; leafHTML = leafHTML ' <input id = tree_parent_ ' bh ' type = hidden value = ' parentID '> '; leafHTML = leafHTML ' <input id = tree_state_ ' BH 'TYPE =</p>
<p>hidden value = insert> '; leafHTML = leafHTML ' <input id = tree_change_ ' bh ' type = hidden value = insert> '; leafHTML = leafHTML ' <input id = tree_vision_ ' bh ' type = hidden value = 1> '; Leafhtml = Leafhtml ' <input type = button value = addic node οnclick = addleaf (' bh ');> '; leafhtml = leafhtml ' <input type = button value = Delete this node οnclick = Delleaf (' BH ');> '; Leafhtml = Leafhtml ' <input type = button value = adjustment location οnclick = changeparent (' bh ');> ' ' </ li> '; leafhtml = Leafhtml '<ul id = Tree_ul_' BH '> </ ul>'; Leafhtml = Leafhtml '</ div>'; parent.innerhtml = parent.innerhtml leafhtml;} function delleaf (nodeID) {</p>
<p>var temp_node; temp_node = document.getElementById ( 'tree_div_' nodeID); if (! temp_node = null) {temp_node.style.display = 'none'; temp_node = document.getElementById ( 'tree_state_' nodeID); temp_node.value = 'delete'; temp_node = document.getlementByid ('Tree_Change_' NodeID); temp_node.value = Temp_node.Value ', delete';}}</p>
<p>Function hidenode (nodeid) {var leaful; if (leafid! = null) {leaful = document.getlementByid ('Node_' NodeID); if (Leaful! = null) {// Alert (Leaful.id ** " Leafid.id); Leaful.Style.display = 'None'; Leafid.Style.display = 'None';}}} Function ChangeSize (Node) {if (Node! = Null) {node.size = node.value .ley}}}}</p>
<p>Function Changparent (NodeId) {var node, parent, tempnode; var tempnode; if (newparent.value == null || newParent.Value == ') {alert (' Please select a node as the parent !!! '); return false;} node = document.getElementById (' tree_div_ ' nodeID); parent = document.getElementById (' tree_UL_ ' newparent.value);!! if (node = null && parent = null) {tempNode = document.getElementById ( 'tree_path_' newparent.value); tempStr = tempNode.value; if (. tempStr.lastIndexOf ( ',' nodeID) == (tempStr.length-nodeID.toString () length-1)) { Alert ('Please don't choose yourself as a parent node !!!'); return false;} else {ix (Tempstr.indexof (',' nodeid ',')! = -1) {alert ('Please do not choose The child node is a parent node !!! '); return false;} else {tempnode = document.getlementByid (' Tree_Path_ ' nodeID); if ((TempStr ,' nodeID) == TempNode. Value) {alert ('You selected the parent of this node! ! ! '); Return false;}}} tempnodeid = node.id; tempstr = node.innerhtml; // node.innerhtml =' blank '; //node.style.display =' none '; // node.id =' Del_ ' TempNodeId; Node.outerHtml =';</p>
<p>parent.innerHTML = parent.innerHTML '<div id =' tempNodeID '> </ div>'; tempNode = document.getElementById (tempNodeID); tempNode.innerHTML = tempStr; tempNode = document.getElementById ( 'tree_path_' nodeID); parent = document.getElementById ( 'tree_path_' newparent.value); tempNode.value = parent.value ',' nodeID; tempNode = document.getElementById ( 'tree_parent_' nodeID); tempNode.value = parent .value ',' newparent.value; tempNode = document.getElementById ( 'tree_change_' nodeID); tempNode.value = tempNode.value ', changeParent'; tempNode = document.getElementById ( 'tree_state_' nodeID); TempNode.Value = 'ChangeParent'; Updatenode (NodeId);}}</p></div><div class="text-center mt-3 text-grey">
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