The v-once directive is a Vue.js directive that is used to avoid unwanted re-renders of an element. It treats the element as a static content after rendering it once for the first time. This improves performance as it does not have to be rendered again. First, we will create a div element with the id of choice. The v-once directive is then applied to this element to make it render only once.
Syntax:
v-once
Parameters: This function does not accept any parameter.
Example: This example uses Vue.js to show the working of the data with v-once.
<!DOCTYPE html> <html>   <head>     <title>         VueJS v-once Directive     </title>       <!-- Load Vuejs -->    <script src=     </script> </head>   <body>     <div style="text-align: center;               width: 600px;">         <h1 style="color: green;">             neveropen         </h1>           <b>             VueJS | v-once directive         </b>     </div>       <div id="canvas" style=         "border: 1px solid #000000;         width: 600px; height: 200px;">         <div id="app" style="text-align: center;                 padding-top: 40px;">             <h1 v-once>{{ data }}</h1>         </div>     </div>     <script>         var app = new Vue({             el: '#app',             data: {                 data: 'neveropen'             }         })     </script> </body>   </html> |
Output:
Whether you’re preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape, neveropen Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we’ve already empowered, and we’re here to do the same for you. Don’t miss out – check it out now!
