v-model is a directive in Vue.js that simplifies the two-way binding between form input elements and the Vue.js data model. Usage: Bind it to a form input element and specify a data model attribute. v-model will automatically set the initial value, listen to input events, and update the data model. Advantages: Simplify two-way binding, reduce manual processing of input events, and improve code readability and maintainability.
What is v-model in Vue.js?
v-model is a directive in Vue.js to simplify the two-way binding between form input elements and the Vue.js data model.
How to use v-model?
To use v-model, simply apply it to a form input element, such as a text input box, a check box, or a radio button. Then, bind it to a property in the Vue.js data model:
<code class="html"><input type="text" v-model="message"></code>
How does v-model work?
When using v-model, Vue.js will automatically:
- Set ????? Value: Set the initial value of the form input element to the current value of the bound property in the data model.
- Listen to input events: When a user enters a form input element, v-model will listen to the input events and update the bound property values ??in the data model.
- Update form elements: When the value of the bound property in the Vue.js data model changes, v-model updates the new value to the form input element.
advantage:
Advantages of using v-model include:
- Simplifies the two-way binding between form input elements and the data model.
- Reduce the need to manually process input events and update values.
- Improve the readability and maintainability of the code.
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