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Vue.js Interview Questions and Answers

Test your skills through the online practice test: Vue.js Quiz Online Practice Test

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Ques 16. What is the purpose of the v-for directive in Vue.js?

The v-for directive is used for rendering a list of items by iterating over an array or an object in Vue.js.

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Ques 17. Explain the concept of data binding in Vue.js.

Data binding in Vue.js is a two-way communication between the model (data) and the view (DOM). Changes in the model automatically update the view, and vice versa.

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Ques 18. What is the purpose of the v-if and v-else directives in Vue.js?

The v-if and v-else directives in Vue.js are used for conditional rendering. v-if shows an element if a given expression evaluates to true, while v-else shows an element if the expression is false.

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Ques 19. Explain the concept of watchers in Vue.js.

Watchers in Vue.js are used to watch for changes in a specific property and perform custom actions when that property changes.

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Ques 20. What is the purpose of the v-bind directive in Vue.js?

The v-bind directive in Vue.js is used for binding an attribute to an expression. It allows dynamic updates to HTML attributes based on the underlying data.

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