JAVASCRIPT

change value of key in array of objects javascript

const users = [
  { name: "Alex", age: 25 },
  { name: "John", age: 32 },
];

const newUsers = users.map((user) => ({
  ...user,
  age: user.age + 5, // just for example
}));

// newUsers = [
// {name:"Alex" , age:30},
// {name:"John , age:37}
// ]

change key in array of objects javascript

let arrayObj = [{key1:'value1', key2:'value2'},{key1:'value1', key2:'value2'}];

arrayObj = arrayObj.map(item => {
      return {
        stroke: item.key1,
        key2: item.key2
      };
    });

change key name in array of objects javascript

const arrayOfObj = [{
  key1: 'value1',
  key2: 'value2'
}, {
  key1: 'value1',
  key2: 'value2'
}];
const newArrayOfObj = arrayOfObj.map(({
  key1: stroke,
  ...rest
}) => ({
  stroke,
  ...rest
}));

console.log(newArrayOfObj);