Home Web Front-end Vue.js The role of $mount in vue

The role of $mount in vue

May 08, 2024 pm 05:06 PM
vue

$mount() method mounts the Vue instance into the DOM element and performs the following steps: compile template; create element; bind data; insert into DOM.

The role of $mount in vue

The role of $mount() in Vue

$mount()## in Vue The # method is an important method for mounting Vue instances into DOM elements. It allows a Vue instance to bind its compiled templates and reactive data to a specified DOM element, enabling Vue to control the view state of that element.

The mounting process involves the following steps:

  • Compile the template: The Vue instance compiles its template, converting the template into a JavaScript rendering function.
  • Create elements: The rendering function creates DOM elements based on the compiled template.
  • Binding data: The Vue instance binds its reactive data to the newly created DOM element.
  • Insert into DOM: The Vue instance inserts a DOM element into the specified DOM position.

$mount() The method accepts two parameters:

  • #target: Specifies where the Vue instance should be mounted. Target DOM element or selector.
  • parent: (optional) Specifies the parent Vue instance. If not specified, defaults to the root Vue instance.

Example:

<div id="app"></div>
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const app = new Vue({
  el: '#app',
  data: {
    message: 'Hello Vue!'
  }
});

app.$mount();
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In this example, the

app instance is mounted to the #app DOM element , message Data is bound to elements responsively. When the message data changes, the DOM element automatically updates to reflect the new value.

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