find the length of an array in typescript

To find the length of an array in TypeScript, you can use the length property of the array. Here's an example:

index.ts
const myArray = [1, 2, 3, 4, 5];
const arrayLength = myArray.length;
console.log(arrayLength); // Output: 5
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In this example, we first create an array myArray with 5 elements. Then we get the length of the array using the length property and store it in a variable arrayLength. Finally, we log the length of the array to the console.

Note that the length property of an array will always return the number of elements in the array. If the array is empty, it will return 0.