回答編集履歴
1
調整
answer
CHANGED
|
@@ -8,7 +8,8 @@
|
|
|
8
8
|
var p=n1.parentNode;
|
|
9
9
|
var idx=[].map.call(p.children,function(x){return x;}).indexOf(n1);
|
|
10
10
|
var num=3;
|
|
11
|
-
var n2=[].filter.call(p.children,function(x,y){return y==idx+num;}).shift();
|
|
11
|
+
// var n2=[].filter.call(p.children,function(x,y){return y==idx+num;}).shift();
|
|
12
|
+
var n2=p.children[idx+num]; //think49さんの回答のパクリ
|
|
12
13
|
console.log(n2.id);
|
|
13
14
|
});
|
|
14
15
|
</script>
|