How can I insert a new object in Angular?
Here is the current data:
data = [
{ title: 'Book1' },
{ title: 'Book2' },
{ title: 'Book3' },
{ title: 'Book4' }
]
I would like to update the objects by adding an 'author' property with a value of false.
data = [
{ title: 'Book1', author: false },
{ title: 'Book2', author: false },
{ title: 'Book3', author: false },
{ title: 'Book4', author: false }
]
One way to include an additional property in ES6 is by using a map function and object destructuring.
data = [
{ title: 'Book1' },
{ title: 'Book2' },
{ title: 'Book3' },
{ title: 'Book4' }
].map(d => ({ ...d, author: false }));
let data = [
{ title: 'Book1' },
{ title: 'Book2' },
{ title: 'Book3' },
{ title: 'Book4' }
].map(d => ({ ...d, author: false }));
console.log(data) Using the Array.prototype.map() method is ideal.
Here's a practical example:
const books = [
{ title: 'Book1' },
{ title: 'Book2' },
{ title: 'Book3' },
{ title: 'Book4' }
]
books.map(item => {
item.author = false
})
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