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<!DOCTYPE html> <html> <head> <title>Mouse Pointer Position</title> <style> #app { border: black dashed 1px; width: 200px; padding: 0 20px 20px 20px; } </style> </head> <body> <h1>Example: Create Alert Only Once</h1> <div id="app"> <p>The button below creates an alert in a pop-up box, but only on the first click:</p> <button v-on:click.once="createAlert">Create Alert</button> </div> <script src="../../unpkg.com/vue%403.5.13/dist/vue.global.js"></script> <script> const app = Vue.createApp({ methods: { createAlert() { alert("Alert created from button click") } } }) app.mount('#app') </script> </body> <!-- /vue/tryit.php?filename=tryvue_modifiers_buttonAlert Thu, 06 Feb 2025 19:23:04 GMT --> </html>
