declare array in angular code example

Example 1: create array of... in typescript

let fruits: Array<string>;
fruits = ['Apple', 'Orange', 'Banana']; 

let ids: Array<number>;
ids = [23, 34, 100, 124, 44];

Example 2: typescript how to create an array instance

var myInstance:MyArrayType[] = [];

Example 3: 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 React

Example 4: type script array

let list: number[] = [1, 2, 3];

Example 5: typing arrays

// Arrays are variables containing multiple pieces of data.

myArray = ["value1", 2, 3, "insert fourth value here"];

// To retrieve data, you reference them via index numbers.
// KEEP IN MIND that when referencing array values, index numbers
// start at 1, not zero.

myArray[0] = "value1";
myArray[1] = 2;
myArray[3] = "insert fourth value here";

Example 6: array in typescript

const count = [...Array(5)];
count.map((_) => console.log('hi'));