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Vue.js Scoped Slots and Render Functions Quiz

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Question 1/10

What is a scoped slot in Vue.js?

Select your answer

A scoped slot is a slot that has a unique name.

A scoped slot is a slot that can be reused across multiple components.

A scoped slot is a slot that has access to its parent component's data.

A scoped slot is a slot that allows passing data from a child component to a parent component using slot props.

Question 2/10

Why are render functions used in Vue.js components?

Select your answer

To improve component performance by avoiding Vue's reactivity system.

To programmatically create component templates in JavaScript with more control.

To write cleaner templates without HTML.

To avoid using Vue directives like v-if and v-for.

Question 3/10

What is one advantage of using render functions instead of templates in Vue.js?

Select your answer

Render functions can contain conditional structures and loops, allowing dynamic element creation.

Render functions are more secure and prevent XSS attacks automatically.

Render functions automatically handle the reactivity system better than templates.

Render functions improve readability of component code.

Question 4/10

How do you define a scoped slot in a child component?

<template>
  <slot v-bind:slotProps></slot>
</template>

Select your answer

By defining a named slot using the name attribute.

By using the v-bind directive to pass props to the slot.

By using the v-else directive inside the slot.

By binding data directly to the slot using v-slot.

Question 5/10

How can you handle scoped slots in a render function in Vue.js?

Select your answer

Using this.$scopedSlots directly to render the slot.

Passing scoped slots as props to the children in render

Defining slots in the component's data property.

Scoped slots cannot be used with render functions.

Question 6/10

In Vue.js, how can you render a virtual node using a string as an element tag in a render function?

render(createElement) {
  return createElement(tagName, data, children);
}

Select your answer

By passing the tag name as the first parameter to createElement.

By using v-bind:tag.sync='tagName'.

This is not possible with render functions.

By passing the tag name using the ref attribute.

Question 7/10

In the provided Vue template, how can you access a property named 'item' that is passed to a scoped slot?

<template>
  <MyComponent v-slot:default="{ item }">
    <!-- Use item here -->
  </MyComponent>
</template>

Select your answer

Question 8/10

In Vue.js, what is the second argument passed to the render function?

Select your answer

Context object containing props, children, slots, etc.

VNode children

Data object

Props object

Question 9/10

What Reactivity option automatically updates when new data is received for slots?

Select your answer

Slots with v-slot directive.

Components using the render function.

Default named slots.

None of the above, slots don't automatically update.

Question 10/10

How do you specify a name for a scoped slot?

<template>
  <MyComponent>
    <template v-slot:header="slotProps">
      <!-- Slot content here -->
    </template>
  </MyComponent>
</template>

Select your answer

Define the slot name in the data object as slotName.

Use the slot directive, such as slot:header.

Define a slotName prop inside the component.

Use the v-slot directive with a name, such as v-slot:header.

Your Results

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Your Answers

Question 1/10

😊 Your answer was correct 🙁 Your answer was incorrect

What is a scoped slot in Vue.js?

Available answers

A scoped slot is a slot that has a unique name.

A scoped slot is a slot that can be reused across multiple components.

A scoped slot is a slot that has access to its parent component's data.

A scoped slot is a slot that allows passing data from a child component to a parent component using slot props.

Scoped slots allow components to pass data from a child to a parent using props, enabling custom behavior based on the child's state.

Question 2/10

😊 Your answer was correct 🙁 Your answer was incorrect

Why are render functions used in Vue.js components?

Available answers

To improve component performance by avoiding Vue's reactivity system.

To programmatically create component templates in JavaScript with more control.

To write cleaner templates without HTML.

To avoid using Vue directives like v-if and v-for.

Render functions provide more control over the component's rendering process, allowing developers to write template logic programmatically in JavaScript.

Question 3/10

😊 Your answer was correct 🙁 Your answer was incorrect

What is one advantage of using render functions instead of templates in Vue.js?

Available answers

Render functions can contain conditional structures and loops, allowing dynamic element creation.

Render functions are more secure and prevent XSS attacks automatically.

Render functions automatically handle the reactivity system better than templates.

Render functions improve readability of component code.

Render functions allow developers to use JavaScript's control structures, such as conditionals and loops, which can be more flexible than templates.

Question 4/10

😊 Your answer was correct 🙁 Your answer was incorrect

How do you define a scoped slot in a child component?

<template>
  <slot v-bind:slotProps></slot>
</template>

Available answers

By defining a named slot using the name attribute.

By using the v-bind directive to pass props to the slot.

By using the v-else directive inside the slot.

By binding data directly to the slot using v-slot.

A scoped slot is defined by using the v-bind directive to pass props to the slot, allowing the parent to access these props.

Question 5/10

😊 Your answer was correct 🙁 Your answer was incorrect

How can you handle scoped slots in a render function in Vue.js?

Available answers

Using this.$scopedSlots directly to render the slot.

Passing scoped slots as props to the children in render

Defining slots in the component's data property.

Scoped slots cannot be used with render functions.

In render functions, scoped slots can be accessed via this.$scopedSlots, allowing them to be rendered programmatically.

Question 6/10

😊 Your answer was correct 🙁 Your answer was incorrect

In Vue.js, how can you render a virtual node using a string as an element tag in a render function?

render(createElement) {
  return createElement(tagName, data, children);
}

Available answers

By passing the tag name as the first parameter to createElement.

By using v-bind:tag.sync='tagName'.

This is not possible with render functions.

By passing the tag name using the ref attribute.

In Vue, createElement can take a string tag name as its first argument to create a virtual node.

Question 7/10

😊 Your answer was correct 🙁 Your answer was incorrect

In the provided Vue template, how can you access a property named 'item' that is passed to a scoped slot?

<template>
  <MyComponent v-slot:default="{ item }">
    <!-- Use item here -->
  </MyComponent>
</template>

Available answers

The property passed to a scoped slot can be accessed directly using the name provided in v-slot's object destructuring syntax.

Question 8/10

😊 Your answer was correct 🙁 Your answer was incorrect

In Vue.js, what is the second argument passed to the render function?

Available answers

Context object containing props, children, slots, etc.

VNode children

Data object

Props object

The second argument to the render function is the context object, which contains props, children, slots, etc.

Question 9/10

😊 Your answer was correct 🙁 Your answer was incorrect

What Reactivity option automatically updates when new data is received for slots?

Available answers

Slots with v-slot directive.

Components using the render function.

Default named slots.

None of the above, slots don't automatically update.

Named slots automatically update when new data is received as they rely on Vue's reactivity system.

Question 10/10

😊 Your answer was correct 🙁 Your answer was incorrect

How do you specify a name for a scoped slot?

<template>
  <MyComponent>
    <template v-slot:header="slotProps">
      <!-- Slot content here -->
    </template>
  </MyComponent>
</template>

Available answers

Define the slot name in the data object as slotName.

Use the slot directive, such as slot:header.

Define a slotName prop inside the component.

Use the v-slot directive with a name, such as v-slot:header.

The v-slot directive allows you to specify a name for the slot, using syntax like v-slot:header.