MonoBehaviour.StopAllCoroutines

Description

Stops all coroutines running on this behaviour.

// Starts the coroutine
StartCoroutine ("DoSomething");
// Cancels the coroutine immediately afterwards
function DoSomething () {
    while (true) {
        yield;
    }
}
StopAllCoroutines();

using UnityEngine;
using System.Collections;

// Create two coroutines that run at diffent speeds. 
// When the space key is pressed stop both of them.

public class ExampleClass : MonoBehaviour {

    //coroutine 1
    IEnumerator DoSomething1() {
        while (true) {
            print("DoSomething1");
            yield return new WaitForSeconds(1.0f);
        }
    }
    
    //coroutine 2
    IEnumerator DoSomething2() {
        while (true) {
            print("DoSomething2");
            yield return new WaitForSeconds(1.5f);
        }
    }
    
    void Start() {
        StartCoroutine("DoSomething1");
        StartCoroutine("DoSomething2");
    }

    void Update () {
        if (Input.GetKeyDown("space")){
            StopAllCoroutines();
            print("Stopped all Coroutines: " + Time.time);
        }
    }
}