create array of... in typescript
let fruits: Array<string>;
fruits = ['Apple', 'Orange', 'Banana'];
let ids: Array<number>;
ids = [23, 34, 100, 124, 44];create array of... in typescript
let fruits: Array<string>;
fruits = ['Apple', 'Orange', 'Banana'];
let ids: Array<number>;
ids = [23, 34, 100, 124, 44];ngfor
<li *ngFor="let item of items; index as i; trackBy: trackByFn">...</li>typescript array of objects
//Define an interface to standardize and reuse your object
interface Product {
name: string;
price: number;
description: string;
}
let pen: Product = {
name: "Pen",
price: 1.43,
description: "Userful for writing"
}
let products: Product[] = [];
products.push(pen);
//...do other products.push(_) to add more objects...
console.log(products);
/* -->
*[
* {
* name: "Pen",
* price: 1.43,
* description: "Userful for writing"
* },
* ...other objects...
*]represent array items angular
//for
<div *ngFor='let [data] of [dataArray]; let i=index;'>
<h2> {{i}} {{data.title}} </h2>
<img src='{{data.image}}' />
</div>
//the data contained in an array will be displayed element by element
//similar to the function .map() in ReactCopyright © 2021 Codeinu
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