Crowdly

v-show applies the property just once, and never refreshes it even if the data passed changes

v-show is used only for one way reactivity

v-show adds the element to the DOM even if false (sets the display: none.)

What does the "flex-wrap" property allow you to do?

Change the direction of flex items from row to column.

Allow flex items to wrap onto multiple lines if they overflow the container.

Align flex items vertically within the flex container.

Adjust the space between flex items automatically.

Which of the following is a characteristic of asynchronous operations in web programming?

They block the execution of other operations until they complete

They are executed sequentially, one after the other.

They allow other operations to continue running without waiting for the current operation to complete.

They are only used in client-side scripting.

What is the role of the computed property in a Vue component?

To register component methods

To store static data values

To define reactive getters

To manage local state

Which special Vue attribute is recommended to provide when generating elements with v-for?

number

elementID

note

key

What is the correct way to represent a nested object in JSON?

{
  "name": "John",
  "address": ["city", "New York", "country", "USA"]
}

{
  "name": "John",
  "address": "city: New York, country: USA"
}

{
  "name": "John",
  "address": {
    "city": "New York",
    "country": "USA"
  }
}

{
  "name": "John",
  "address": ("city": "New York", "country": "USA")
}

What does the ‘v-model’ directive in Vue.js provide on form input elements?

It imposes a model-based validation for input fields

It binds the input field to a model class

It automaticlly styles the input fields

It facilitates two-way data binding between the input field and component state

In VueJS, how do you specify a prop that is required for a component?

required: true

prop: required

mandatory: true

isRequired: true

Which Vue.js directive should be used to prevent the submission of a from if the input field is empty?

v-prevent=”!inputValue”

v-if=”inputValue”

v-show=”inputValue”

v-bind:disabled=”!inputValue”

In Flex container to get the effect as in the picture above You should use:

justify-content: space-between

align-items: space-evenly

justify-content: space-around

justify-content: space-evenly