by Sai gowtham

How to disable the button in Vue

In this tutorial, we are going to learn about how to disable or enable the html button element in a Vue app.

We mostly disable the button when a (form) input field or textarea value is empty in login or contact forms.

Disabling the Button

To disable a button, we need to pass the boolean value true to the <button> element disabled attribute.

App.vue
<template>
  <div class="container">
     <button :disabled="isActive">Subscribe</button>  </div>
</template>

<script>
export default {
  data() {
    return {
      isActive: true,    };
  },
}

We can enable it by back, by changing the isActive property value to true.

App.vue
<template>
  <div class="container">
     <button :disabled="isActive">Subscribe</button>  </div>
</template>

<script>
export default {
  data() {
    return {
      isActive: false,    };
  },
}

Disabling the button conditionally

We can also disable the button conditionally, for example when an input field value is empty; the button is disabled and button is enabled back when it has some data.

Example:

App.vue
<template>
  <div class="container">
      <input placeholder="email" v-model="email" />      <button :disabled="!email.length">Subscribe</button>  </div>
</template>

<script>
export default {
  data() {
    return {
      email: "",    };
  },
}

Disabling the button by after click

We can also disable the button after clicking on it.

App.vue
<template>
  <div class="container">
      <button :disabled="!isActive">Disable</button>  </div>
</template>

<script>
export default {
  data() {
    return {
      isActive: true,
    };
  },
}

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In this demo, i will show you how to create a snow fall animation using css and JavaScript.

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