Javascript adaptive height Tab

The specific JavaScript code is as follows: Copy codeThe Code is as follows: var getSiblingNode = function (className, elAr, el, not ){
ClassName = "" + className + "";
Var Arr = [];
For (var I = 0, l = elAr. length; I <l; I ++ ){
If (elAr [I]! = El & (elAr [I]. nodeType = 1) & ("" + elAr [I]. className + ""). indexOf (className)>-1 & not ){
Arr. push (elAr [I]);
}
Else if (elAr [I]! = El & elAr [I]. nodeType = 1 ){
Arr. push (elAr [I]);
}
}
Return Arr;
}
Var runFn = function (id, parentId ){
Var elId = id, parentId = parentId;
Var contentEl = document. getElementById (elId );
Var liEl = contentEl. getElementsByTagName ("ul") [0]. getElementsByTagName ("li ");
Var divEl = document. getElementById (parentId). getElementsByTagName ("div ");
For (var I = 0, l = liEl. length; I <l; I ++ ){
// A closure is provided to obtain similar elements of the selected element;
(Function (I ){
Var thisSibling = getSiblingNode ("n", divEl, divEl [I], true );
LiEl [I]. onclick = function (){
DivEl [I]. style. display = "block ";
// Set the status of the selected dom element;
This. className = "hasClick ";
Var divElSibling = getSiblingNode (null, liEl, liEl [I], false );
// Set the css of other unselected dom elements;
For (var a = 0, B = thisSibling. length; a <B; a ++ ){
ThisSibling [a]. style. display = "none ";
}
For (var x = 0, y = divElSibling. length; x <y; x ++ ){
DivElSibling [x]. className = "havtClick ";
}
}
}) (I)
}
}
Var slide = function (){
RunFn ("content", "disDiv ");
}
Window. onload = slide;