Question

我有以下数据数组：

var ans = 
[
 {"text":"x","response":false},
 {"text":"y","response":false},
 {"text":"z","response":true}
];

var correct = "010"; // I need to add this to the array ans

任何人都可以建议我如何使用正确变量中的数据添加到数组中以便：

var ans = 
[
 {"text":"x","response":false,"correct":false},
 {"text":"y","response":false,"correct":true},
 {"text":"z","response":true,"correct":false}
];

Answer 1

for(var i=0; i< ans.length; i++) {
    ans[i].correct = correct.charAt(i) == "1";
}

Answer 2

for (var i = 0; i < correct.length; i++) {
    ans[i]["correct"] = correct[i] === "1";
}

Answer 3

你也是这样做的（使用for-in循环）。

参考：For-each over an array in JavaScript?

for(key in ans){
    ans[key].correct = correct.charAt(key) == "1";
}

Answer 4

var ans = 
    [
     {"text":"x","response":false},
     {"text":"y","response":false},
     {"text":"z","response":true}
    ];

var correct = "010";

var sep = correct.split("");

var arr = [];

for (var i = 0; i < sep.length; i++) {
     if (sep[i] == 0) {
       arr.push("false");
      } else {
       arr.push("true");
     }
   }

  var len = ans.length;

 for (var i = 0; i < len; i++) {

        ans[i].correct = arr[i];
    }

如何在字符串中使用数据来更新javascript对象？

4 个答案: