Question

objectStore.delete()

我希望它像这样转换：

{"1":"val1","2":"val2","3":"val3"}

几乎没有帮助，请多加注意

Answer 1

您不能在一个对象中使用相同的键名。

相反，您可以执行此操作。

const origin = {"1":"val1","2":"val2","3":"val3"}


const converted = Object.entries(origin).map( ([key,value]) => ({id: key, value }) );
console.log(converted);

Answer 2

您发布的内容无效。

您可能想要的是：

const object = {"1":"val1","2":"val2","3":"val3"};

console.log(Object.entries(object));

// or

console.log(Object.keys(object).map(i => ({Id: i, value: object[i]})));

Answer 3

您可以在Object.entries上使用循环。

例如像这样：

const newObjArr = [];
for(let [key, value] of Object.entries(obj)){
  newObj.push({Id: key, value}); 
}

上面的代码将返回一个对象数组，但是我确定您可以将其修改为您的特定用例。

Answer 4

DISP=SHR

结果将为const data = {"1":"val1","2":"val2","3":"val3"}; const result = Object.keys(data).map((key) => ({ id: key, value: data[key] }));

Answer 5

正如所指出的，这是马鞭草。如果要进行转换，则将如下所示：

[{"Id":"1","value":"val1"},{"Id":"2","value":"val2"},{"Id":"3","value":"val3"}]

您可以创建一个将其转换的函数。

const object = {"1":"val1","2":"val2","3":"val3"};

console.log(Convert(object));

function Convert(obj){
  return Object.keys(obj).map(i => ({Id: i, value: obj[i]}));
}

Answer 6

您不能这样做。对象是唯一的键值对。

{"Id":"1","value":"val1","Id":"2","value":"val2","Id":"3","value":"val3"}

假设您要合并两个对象，并且如果两个对象都具有相同的键，那么它将简单地合并最后一个对象值并且只有一个键值。

Answer 7

您可以将您的大对象转换为几个小对象，并将其存储在此片段所示的数组中。（它可能会更短，但是这个详细的演示应该更容易理解。）

// Defines a single object with several properties
const originalObject = { "1" : "val1", "2" : "val2", "3" : "val3" }

// Defines an empty array where we can add small objects
const destinationArray = [];

// Object.entries gives us an array of "entries", which are length-2 arrays
const entries = Object.entries(originalObject);

// `for...of` loops through an array
for(let currentEntry of entries){

  // Each "entry" is an array with two elements
  const theKey = currentEntry[0]; // First element is the key
  const theValue = currentEntry[1]; // Second element is the value

  // Uses the two elements as values in a new object
  const smallObject = { id: theKey, value: theValue };

  // Adds the new object to our array
  destinationArray.push(smallObject);

} // End of for loop (reiterates if there are more entries)

// Prints completed array of small objects to the browser console
console.log(destinationArray);

Answer 8

 const obj = {"1":"val1","2":"val2","3":"val3"}

  const newObject = Object.keys(obj).map(e => {
 return {ID: e , value : obj[e] }
   });

  console.log(newObject); // [ { ID: '1', value: 'val1' },
                                { ID: '2', value: 'val2' },
                              { ID: '3', value: 'val3' } ]

它将给您一个对象数组，稍后您需要将其转换为对象并展平对象：

How do I convert array of Objects into one Object in JavaScript?

how to convert this nested object into a flat object?

如何在JS中将JSON对象转换为键值对？

8 个答案: