- it技术
- JS 找出数组中重复次数最多的一个元素
var arr
= [1,1,1,2,2,2,2,2,2,2,3,3,3,4,4,5,6,7,7,8];
var maxNum
= 0;
var maxName
= "";
var obj
= {};
arr
.forEach((ele
,index
)=>{
obj
[ele
] ? obj
[ele
] += 1 : obj
[ele
] = 1;
})
for(let r
in obj
) {
if(obj
[r
]>maxNum
){
maxNum
= obj
[r
]
}
}
