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change property in array of objects javascript

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Salsabeel woh woh answered on November 25, 2021 Popularity 9/10 Helpfulness 4/10

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change property in array of objects javascript

Comment

//change in array itself without need to another one 
arr.map(el =>{ el.bar == 1 && el.baz--} ); // don't forget {} in arrow function

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript

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Contributed on Apr 13 2022

Salsabeel woh woh

0 Answers Avg Quality 2/10

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update property in object in array javascript

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var result = foo.map(el => el.bar == 1 ? {...el, baz: [11,22,33]} : el);

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Nov 25 2021

Mohamed Mahfouz

0 Answers Avg Quality 2/10

change property name of object in array javascript

Comment

const columns = [
    { name: 'OrderNumber', title: 'Order Number' },
    { name: 'strawberry', title: 'Strawberry' },
    { name: 'vanilla', title: 'Vanilla' }
]

const options = columns.map(function(row) {

   // This function defines the "mapping behaviour". name and title 
   // data from each "row" from your columns array is mapped to a 
   // corresponding item in the new "options" array

   return { value : row.name, label : row.title }
})

/*
options will now contain this:
[
    { value: 'OrderNumber', label: 'Order Number' },
    { value: 'strawberry', label: 'Strawberry' },
    { value: 'vanilla', label: 'Vanilla' }
];
*/

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Jun 02 2022

Naughty Nightingale

0 Answers Avg Quality 2/10

Update a property of an object of an array

Comment

//Initailize array of objects.
let myArray = [
  {id: 0, name: "Jhon"},
  {id: 1, name: "Sara"},
  {id: 2, name: "Domnic"},
  {id: 3, name: "Bravo"}
],
    
//Find index of specific object using findIndex method.    
objIndex = myArray.findIndex((obj => obj.id == 1));

//Log object to Console.
console.log("Before update: ", myArray[objIndex])

//Update object's name property.
myArray[objIndex].name = "Laila"

//Log object to console again.
console.log("After update: ", myArray[objIndex])
 Run code snippet

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Jan 26 2022

0 Answers Avg Quality 2/10

change property name of object in array javascript

Comment

const columns = [
    { name: 'OrderNumber', title: 'Order Number' },
    { name: 'strawberry', title: 'Strawberry' },
    { name: 'vanilla', title: 'Vanilla' }
];

const newColumns = columns.map( item => {
  const { name: value, ...rest } = item;
  return { value, ...rest }
 }
);

console.log( newColumns );
 Run code snippet

Popularity 7/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript object

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Contributed on Jun 02 2022

Naughty Nightingale

0 Answers Avg Quality 2/10

update property of object in array javascript

Comment

foo.forEach(function(obj) {
    if (obj.bar === 1) {
        obj.baz[0] = 11;
        obj.baz[1] = 22;
        obj.baz[2] = 33;
        // Or: `obj.baz = [11, 22, 33];`
    }
});

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Dec 14 2021

Quaint Quail

0 Answers Avg Quality 2/10

change property name of object in array javascript

Comment

const columns = [
    { name: 'OrderNumber', title: 'Order Number' },
    { name: 'strawberry', title: 'Strawberry' },
    { name: 'vanilla', title: 'Vanilla' }
]

const options = columns.map(function(row) {

   // This function defines the "mapping behaviour". name and title 
   // data from each "row" from your columns array is mapped to a 
   // corresponding item in the new "options" array

   return { value : row.name, label : row.title }
})

/*
options will now contain this:
[
    { value: 'OrderNumber', label: 'Order Number' },
    { value: 'strawberry', label: 'Strawberry' },
    { value: 'vanilla', label: 'Vanilla' }
];
*/

Popularity 5/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript object

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Contributed on Jan 12 2023

Ill Impala

0 Answers Avg Quality 2/10

change property in array of objects javascript

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change property in array of objects javascript

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change property name of object in array javascript

Update a property of an object of an array

change property name of object in array javascript

update property of object in array javascript

change property name of object in array javascript

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