????var?arr?=?[[1,"ad"],[21,"qwe"]];
????for(var?i=0;?i<arr.length;?i++)?{
??????if?(arr[i+1][1]?==?arr[i][1])?{
????????arr.splice(i,?1);
??????}
????}VM294:4?Uncaught?TypeError:?Cannot?read?property?'1'?of?undefined
????at?<anonymous>:4:19
怎么報錯了?arr[i+1][1]的數(shù)組下標1為什么會讀取為屬性?
請不要輸入昵稱
2017-09-07 16:23:50