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<!DOCTYPE html> <html> <head> <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script> </head> <body> <h3>Vue js Generate Random Hexa Decimal Color</h3> <div id="app"> <div :style="{ backgroundColor: bgColor, height: '100px', width: '100px' }"></div> <p>{{bgColor}}</p> <button @click="generateRandomColor">Generate Random Color</button> </div> <script type="module"> const app = Vue.createApp({ data() { return { bgColor: '#f1f1f1' } }, methods: { generateRandomColor() { const randomColor = Math.floor(Math.random() * 16777215).toString(16); this.bgColor = "#" + randomColor; } } }); app.mount('#app'); </script> </body> </html>