Some small attempts at native JS

Intent to mimic JQ operation and get a personal toolbox, constantly improve the code are personal groping, so there will certainly be a lot of deficiencies, I hope readers can put forward.

1 varXzhutils = {2   //Add a class-----DOM object-----3   //[email protected]: obj DOM object4   //[email protected]: CLS-Added classes5AddClass:function(obj, cls) {6     varOcls =Obj.classname;7     if(!ocls) {8Obj.classname =CLS;9}Else{TenOcls + = "" +CLS; OneObj.classname =Ocls; A     } -   }, -   //-----Remove a class from a DOM object----- the   //[email protected]: obj DOM object -   //[email protected]: CLS-Removed classes -Removeclass:function(obj, cls) { -     varOcls =Obj.classname; +     if(ocls) { -       vararr = Ocls.split (""); +        for(varIincharr) { A         if(arr[i]==CLS) { atArr.splice (i,1); -            Break; -         } -       } -Ocls = Arr.join (""); -Obj.classname =Ocls; in     } -   }, to   //-----Calculate The roll-up value----- +Scrollpos:function() { -     varScrollpos; the     if(typeofWindow.pageyoffset! = ' undefined '){  *Scrollpos =Window.pageyoffset; $}Else if(typeofDocument.compatmode! = ' undefined ' && document.compatmode! = ' Backcompat '){ Panax NotoginsengScrollpos =Document.documentElement.scrollTop; -}Else if(typeofDocument.body! = ' undefined '){  theScrollpos =Document.body.scrollTop; +     } A     returnScrollpos; the   }, +   //-----Get the next sibling node----- -   //[email protected]: EVENTOBJ DOM object to get the next sibling node $   //[Email protected]: X eventobj's next sibling node $Next:function(EVENTOBJ) { -     varE =EVENTOBJ; -     varx =e.nextsibling; the      while(x.nodetype!=1){ -x =x.nextsibling;Wuyi     } the     returnx; -   } Wu}

Some small attempts at native JS