vue on finished countdown code example

Example 1: vue js countdown timer

<template>
   {{ countDown }}
</template>

<script>
    export default {
        data() {
            return {
                countDown : 10
            }
        },
        method: {
            countDownTimer() {
                if(this.countDown > 0) {
                    setTimeout(() => {
                        this.countDown -= 1
                        this.countDownTimer()
                    }, 1000)
                }
            }
        }
        created: {
           this.countDownTimer()
        }
    }
</script>

Example 2: countdown vue

<template>
   {{ countDown }}
    <button type="button" v-on:click="countdown = 5"> setTimeout </button>
</template>
        
<script>
    export default {
        data() {
            return {
                countDown : 0
            }
        },
        method: {}
        watch: {
            countdown: function(val) {
                if(val > 0) {
                    setTimeout(() => {
                        this.countdown -= 1;
                    }, 1000);
                }
            },
        }
    }
</script>