I want to display this clock on Vue. The clock should automatically update the time, but how can I make this code work in Vue?
Is there a simple way to implement this in Vue without using (document.getElementBy...)
function updateTime () {
document.getElementById("time").innerHTML = new Date().toLocaleTimeString();
}
var timeInterval = setInterval(updateTime, 1000);
<div id="time"></div>
Check out this Vue 3 code snippet:
<template>
<h1>Greetings World! {{ currentTime }}</h1>
</template>
<script>
import { ref } from 'vue'
export default {
setup () {
var currentTime = ref()
setInterval(() => {
currentTime.value = new Date().toLocaleTimeString()
}, 1000)
return { currentTime }
}
}
</script>
Instead of relying solely on document.getElementById, you have the option to utilize refs in the following manner:
new Vue({
el:"#app",
mounted() {
var timeInterval = setInterval(this.time, 1000);
},
methods: {
time: function() {
this.$refs.time.innerHTML = new Date().toString("hh:mm:ss tt");
}
}
});<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.17/vue.js"></script>
<div id="app">
<div ref="time"></div>
</div>Alternatively, you can achieve the same result by updating a data attribute like so:
new Vue({
el:"#app",
data() { return { time: "" } },
mounted() {
var timeInterval = setInterval(this.updateTime, 1000);
},
methods: {
updateTime: function() {
this.time = new Date().toString("hh:mm:ss tt");
}
}
});<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.17/vue.js"></script>
<div id="app">
<div>{{time}}</div>
</div>In Vue Js, you have the ability to create a digital clock that dynamically updates its time value in real-time by utilizing the setInterval() method. Take a look at the code snippet below for an example:
const {ref, createApp} = Vue
createApp({
setup() {
//declare date variable using reactivity API
const date = ref(new Date())
//periodically update date value with setInterval() method
setInterval(() => {
date.value = new Date()
}, 1000)
return {
date
}
}
}).mount('#app')<script src="https://unpkg.com/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="6e181b0b2e5d405f405f">[email protected]</a>/dist/vue.global.prod.js"></script>
<div id="app">
<h3> {{date.getHours()}}:{{date.getMinutes()}}:{{date.getSeconds()}}</h3>
</div>When viewed in the browser, the output will display something like this: 21:31:05
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