How do you implement two-way binding?
Interviewer Expectations for this Question
01
Core Competency
Assesses fundamental understanding of Vue.js conventions, runtime behavior, and memory/performance considerations.
02
Evaluation Criteria
Hiring managers look for precision, avoidance of ambiguous jargon, and ability to explain trade-offs under real production conditions.
Comprehensive Model Answer
Verified Solution
You can use the v-model directive to create two-way data bindings on form input, textarea, and select elements.
Lets take an example of it using input component,
<input v-model="message" placeholder="Enter input here">
<p>The message is: {{ message }}</p>
Remember, v-model will ignore the initial value, checked or selected attributes found on any form elements.
So it always use the Vue instance data as the source of truth.
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