Question

1.如何计算json对象并根据计数采取相同的outout

        var obj = 
       [
        {"id":"0","name":"Mike Johnson","group":1},
        {"id":"1","name":"Bob Smith","group":2},
        {"id":"2","name":"Richard Thomas","group":3},
        {"id":"3","name":"Betty White","group":16},
        {"id":"4","name":"Tim Thompson","group":3},
        {"id":"5","name":"Carl Lewis","group":16},
        {"id":"6","name":"Kathy Towers","group":3},
        {"id":"7","name":"Billy Bob","group":1},
        {"id":"8","name":"Sally Bailey","group":1}
        ];

2.首先我希望在计数的基础上计数我想要输入相同的输出。对于伯爵： - 3.var count = 0; function getCount（）{

        for (var i = 0; i < obj.length; i++) {

                count++;

        }
        return count;
    }

输出： - 4.function showDetails（）这不是正确的输出 {

       for(var j=0; j< count; j++){ 
       obj.push([{j}]);    
       }                   
    alert(obj.name);        
    }                      
    alert(showDetails());   
    And I want an output like:- 

         var obj = 
       [
        {"id":"0","name":"Mike Johnson","group":1},
        {"id":"1","name":"Bob Smith","group":2},
        {"id":"2","name":"Richard Thomas","group":3},
        {"id":"3","name":"Betty White","group":16},
        {"id":"4","name":"Tim Thompson","group":3},
        {"id":"5","name":"Carl Lewis","group":16},
        {"id":"6","name":"Kathy Towers","group":3},
        {"id":"7","name":"Billy Bob","group":1},
        {"id":"8","name":"Sally Bailey","group":1}
        ];

    Anybody can help me please

Answer 1

var data ="January,February,March,April,May,June,July,August,September,October";
var obj = data.split(',').map((item)=>{
     return {
           name:item
           }
});

obj将是所需的输出

Answer 2

＆＃13;

var str = "January,February,March,April,May,June,July,August,September,October";

var arr = str.split(',').map(function(v) {
 return {name: v};
});

console.log(arr);

＆＃13;

Answer 3

var str = "January,February,March,April,May,June,July,August,September,October";
var months = str.split(",");
var result = [];


for (i in months)
{
   var month = {};
   month.name = months[i];
   //you can do more things else here, for example:
   //month.monthOfYear = (i+1);
   //month.numberOfDay = 123123123;
   result.push(month);
}

Answer 4

您可以这样做：

var array = string.split(",");
var finalArray = [];

array.forEach(function(item){

   var obj = {
        name: item
   }

   finalArray.push(obj);

});

console.log(finalArray);

Answer 5

更多ES2015重型版本。常量，箭头函数和隐式返回语句。

const str = 'January,February,March,April,May,June,July,August,September,October'
const result = str.split(',').map(name => ({name}))
console.log(result)

Answer 6

MDN reference

使用var array = string.split(',');

如何计算json对象并在计数的基础上采取相同的outout

6 个答案: