JavaScript Program to Delete Property from Spread Operator
Last Updated :
09 Oct, 2023
This article will demonstrate how to delete property from the spread operator in JavaScript. In JavaScript, the spread operator allows to create a shallow copy of an objеct or mеrgе propеrtiеs from one objеct into another without modifying the original objеct.
In this mеthod, Wе crеatе a shallow copy of thе original objеct using objеct dеstructuring and еxcludе thе propеrty wе want to dеlеtе by assigning it to a variablе. This mеthod, howеvеr, does not usе thе dеlеtе opеrator and only crеatеs a nеw objеct with thе dеsirеd propеrtiеs. It doesn’t modify thе originalObjеct.
Example: This example shows the use of the above-explained approach.
Javascript
const GFG = { a: "article" , b: "course" , c: "jobathon" };
const { b, ...objectNew} = GFG
console.log(objectNew);
|
Output
{ a: 'article', c: 'jobathon' }
In this method, we will use rest syntax in object destructuring to get all the properties except that property that we don’t want. We can achieve this using a rest combination with a map.
Example: This example shows the use of the above-explained approach.
Javascript
const carResponse = [{
name: "Alto" ,
brand: "Maruti suzuki" ,
model: 800,
color: "black"
},
{
name: "Fortuner " ,
brand: "Toyota" ,
model: 789,
color: "white"
},
{
name: "Thar" ,
brand: "Mahindra" ,
model: 249,
color: "red"
},
{
name: "Kwid" ,
brand: "Renault" ,
model: 346,
color: "yellow"
}
]
const output = carResponse.map(({ model, ...rest }) => rest)
console.log(output)
|
Output
[
{ name: 'Alto', brand: 'Maruti suzuki', color: 'black' },
{ name: 'Fortuner ', brand: 'Toyota', color: 'white' },
{ name: 'Thar', brand: 'Mahindra', color: 'red' },
{ name: 'Kwid', brand: 'Renault', color: 'yellow' }
]
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