高亮当前菜单

Posted 2020-09-05 caidan1995

 1     // 高亮当前菜单
 2     (function(){
 3         var nav_t = [
 4             [$(‘.p1‘),$(‘.nav li:nth-child(1)‘)],
 5             [$(‘.p2‘),$(‘.nav li:nth-child(2)‘)],
 6             [$(‘.p3‘),$(‘.nav li:nth-child(3)‘)],
 7             [$(‘.p4‘),$(‘.nav li:nth-child(4)‘)]
 8         ];
 9 
10         function nav_on(arr){
11             var len = arr.length;
12             for(var i=0; i<=len; i++){
13                 if(arr[i][0].size()>0){
14                     arr[i][1].addClass(‘on‘);
15                 }
16             };
17         };
18 
19         nav_on(nav_t);
20     })()