将键值对添加到javascript中的对象数组吗? [英] Add a Key Value Pair to an array of objects in javascript?

问题描述

如果我有这样的数组:

var myarray = [];

myarray.push({
    "Name": 'Adam',
    "Age": 33
});

myarray.push({
    "Name": 'Emily',
    "Age": 32
});

这给了我一个数组，我可以在其中提取myarray[0].Name这样的值，这将给我亚当".

This gives me an array where I can pull out values like myarray[0].Name which would give me "Adam".

但是，在构建此数组之后，如何在位置[0]的数组中添加值为"somewhere street"的地址"字段，以便该对象在位置0的字段现在为Name，Age和Address具有相应的值?

However, after this array is built, how can I add an "address" field with a value of "somewhere street" into the array at position [0], so that my fields in that object at position zero are now Name, Age, and Address with corresponding values?

我一直在想splice()，但是找不到使用对象的示例，只是带有简单数组的示例.

I was thinking splice() somehow but couldn't find an example using objects, just examples with simple arrays.

推荐答案

您可以简单地动态添加属性(字段").

You can simply add properties ("fields") on the fly.

尝试

myarray[0].Address = "123 Some St.";

或

myarray[0]["Address"] = "123 Some St.";

var myarray = [];

myarray.push({
    "Name": 'Adam',
    "Age": 33
});

myarray.push({
    "Name": 'Emily',
    "Age": 32
});

myarray[0]["Address"] = "123 Some St.";

console.log( JSON.stringify( myarray, null, 2 ) );

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