Vue Js Disable Button If Input Empty: To disable a button in  Vue.js if an input field is empty, you can use the v-bind directive to bind the button’s “disabled” attribute to a computed property that returns a boolean value based on the input’s value.

First, you need to set up a data property to hold the value of the input field. Then, create a computed property that checks whether the input field is empty or not. Finally, bind the button’s “disabled” attribute to the computed property using the v-bind directive.

The computed property will return true if the input field is empty, and false if it contains any value. When the input field is empty, the button will be disabled, and when the input field has a value, the button will be enabled.

In summary, you can disable a button in  Vue.js if an input field is empty by using a computed property to check the input field’s value and binding the button’s “disabled” attribute to this property

How can you Disable a button in Vue js if the input field is empty?

In the Below code, the button will be disabled if the Input field is empty. Here is a breakdown of the code:

• The v-model directive is used to bind the value of the input field to the text data property in the  Vue instance. This means that whenever the user types something into the input field, the text data property will be updated to reflect the current value of the input field.
• The :disabled attribute is bound to the expression !text. The ! operator negates the truthiness of the text data property. So if text is an empty string (i.e., falsy), then !text will evaluate to true, and the button will be disabled. If text is not an empty string (i.e., truthy), then !text will evaluate to false, and the button will be enabled.

Therefore, the button will be disabled if the input field is empty, and will be enabled if the user has typed something into the input field.

Vue Js Disable Button If Input Empty Example

<div id="app">
   <input v-model="text" type="text" />
   <button :disabled="!text">Submit</button>
</div>
 <script type="module">
        const app = new Vue({
            el: "#app",
            data() {
                return {
                    text: ''
                }
            },
        });
</script>

Output of Vue Js Disable Button if Input Field is Empty