Use the v-model directive in Vue.js to implement two-way data binding. How it works: Bind the getters and setters of data properties. Add an event listener to monitor value changes and trigger updates. Update data attribute values, triggering update of UI values. Pros: Simplified data management. Improve code readability and maintainability. Create responsive user interfaces easily.
Instructions for two-way data binding in Vue.js
Used in Vue.jsv- model
directive to implement two-way data binding.
How to use the v-model command:
<code class="html"><input v-model="message" /></code>
In the above example:
v-model
command Bind the <input>
element to the message
data attribute. <input>
element, the message
data attribute will automatically update. message
data attribute changes, the content in the <input>
element will also be automatically updated. Principle:
v-model
The command does the following work behind the scenes:
<input>
element to monitor value changes. input
event is triggered and the data attribute is updated. update
event is triggered and the value in the <input>
element is updated. Advantages:
Using the v-model
directive to implement two-way data binding has the following advantages:
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