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<!DOCTYPE html> <html> <head> <title>The 'ref' Attribute</title> <style> #app > p { border: dashed black 1px; width: 130px; padding: 20px; font-weight: bold; background-color: lightgreen; } </style> </head> <body> <h1>The 'ref' Attribute</h1> <p>Click the button to change the text using the 'ref' attribute and the '$refs' object.</p> <div id="app"> <p ref="pEl">Initial text.</p> <button v-on:click="changeText">Change text</button> </div> <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script> <script type="module"> const app = Vue.createApp({ methods: { changeText(){ this.$refs.pEl.innerHTML = "Hello!"; } } }) app.mount('#app') </script> </body> </html>