How to remove an array's element in TypeScript Using Pop()

Overview

We can remove an element of an array in TypeScript using the pop() method. This method removes the last element of the array and returns that element.

Syntax

array.pop()
The syntax for pop() method for an Array in TypeScript

Parameter

array: This is the array whose last element we want to remove.

Return Value

The value returned is the element that was removed.

Example

// create arrays in TypeScript
let names: string[] = ["Theodore", "James", "Peter", "Amaka"]
let numbers : Array<number>;
numbers = [12, 34, 5, 0.9]
let cars : Array<string> = ["Porsche", "Toyota", "Lexus"]
// print previous arrays
console.log("Previous Arrays")
console.log(names)
console.log(numbers)
console.log(cars)
// pop and print last elements
console.log(names.pop())
console.log(numbers.pop())
console.log(cars.pop())
// print modified arrays
console.log("\nCurrent Arrays")
console.log(names)
console.log(numbers)
console.log(cars)

Explanation

  • Line 2-5: We create some arrays in TypeScript.
  • Line 9-11: We print arrays to the console.
  • Line 14-16: Some elements are popped and printed to the console.
  • Line 19-22: We then print the modified arrays again to the console.

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