2024年07月25日 建站教程
var arr = '1,2,3,4,6,3,1,1,5,6,3,3,6,8,9,53,2'
arr = arr.split(',').sort();
var newArr = []; //
for (var i = 0; i < arr.length;) {
var count = 0;
for (var j = i; j < arr.length; j++) {
if (arr[i] == arr[j]) {
count++;
}
}
newArr.push({
'number': arr[i],
'count':count
});
i += count
}
//遍历出重复数据
var repeat = []
for(var i = 0; i < newArr.length; i++){
if(newArr[i].count > 1){
repeat.push(newArr[i])
}
}
console.log('repeat',repeat)
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