full screen mocal in vuejs version 3 using teleport feature in javascript

To create a full-screen modal using Vue.js version 3 and the teleport feature, we can follow the steps below:

1. Create a new component for the modal using the template tag.
2. Import Teleport component from the 'vue-teleport' package.
3. Add the Teleport component to the main app in the template tag.
4. Define a ref to the modal element to determine its height later on.
5. Add the necessary styles to make the modal take up the entire screen using CSS.
6. Create a method to set the height of the modal dynamically.
7. Add an event listener to the 'resize' event to update the height of the modal whenever the window is resized.
8. In the mounted hook, set the height of the modal once the component has been mounted.

Here is the code snippet for creating a full-screen modal with Vue.js version 3:

<template>
  <Teleport to="body">
    <div class="full-screen-modal" ref="modal">
      <div class="modal-content">
        <!-- your modal content goes here -->
      </div>
    </div>
  </Teleport>
</template>

<script>
import { Teleport } from 'vue-teleport';

export default {
  name: 'FullScreenModal',
  components: {
    Teleport,
  },
  mounted() {
    this.setHeight();
    window.addEventListener('resize', this.setHeight);
  },
  unmounted() {
    window.removeEventListener('resize', this.setHeight);
  },
  methods: {
    setHeight() {
      this.$refs.modal.style.height = window.innerHeight + 'px';
    },
  },
};
</script>

<style>
.full-screen-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  margin: auto;
  background-color: white;
  padding: 20px;
  border: 1px solid #888;
  width: 80%;
  max-width: 600px;
  border-radius: 5px;
}

@media screen and (max-width: 700px) {
  .modal-content {
    width: 95%;
  }
}
</style>
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In this code, we are creating a new component called 'FullScreenModal' that can be used to create a full-screen modal. We are using the 'Teleport' component from the 'vue-teleport' package to move the modal to the body tag of the document.

The modal content is wrapped inside a div with the class name 'full-screen-modal', and we are using CSS to position the modal to take up the entire screen. The content of the modal is wrapped inside another div with the class name 'modal-content'.

To set the height of the modal dynamically, we are adding an event listener to the 'resize' event of the window object. Whenever the window size changes, the 'setHeight' method is called to set the height of the modal dynamically.

Finally, in the mounted hook of the component, we are setting the height of the modal once the component has been mounted, and in the unmounted hook, we are removing the 'resize' event listener to prevent memory leaks.