Exploring the Process of Obtaining _Value Properties within Vue 3 Ref

Hello, I've been attempting to access the values from the _value property in Vue without success. How can I retrieve these values such as accessKey, align, ariaAtomic, etc.? Specifically, I am interested in getting the value of clientWidth.

https://i.sstatic.net/UuOwN.png

  <div id="hello" ref="theRange" class="border-red-200 border-2 w-[80px]">
   <h1>Test</h1>
  </div>

  const theRange = ref(null);
  console.log(theRange.value.clientWidth); // This line causes an error

Answer №1

Here is a sample code snippet on how to achieve it:

<script setup>
import { ref, onMounted } from 'vue'

const cube = ref(null)

onMounted(() => {
  console.log(cube.value.clientWidth)
})
</script>

<template>
  <div ref="cube">nice</div>
</template>

<style scoped>
  div {
    width: 200px;
    height: 300px;
    background-color: orange;
  }
</style>

For more examples and explanations, you can check out this link.

https://i.sstatic.net/f4Wpx.png


If you want to understand more about Vue's lifecycle hooks, keep in mind that the setup() function does not have the element attached to the DOM at that point.

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