Application Development - 2 · Quiz 1 · Jan 2024

Obj1 Obj1

Obj1 Obj2

Obj2 Obj1

Obj2 Obj2

true true

true false

false true

false false

Holiday

Not Holiday

true

false

0

1

2

None of these

0

1

2

None of these

Any variable declared using “var” keyword has a global scope.

Any variable declared using “let” keyword has a block based scope.

The language supports the concept of arrays.

The language uses a call stack to execute the functions in the program.

[‘1’, ‘3’, ‘5’] 3

[‘2’, ‘4’] 2

[1, 3, 5] 3

[2, 4] 2

[‘1’, ‘2’, ‘3’, ‘4’, ‘5’] 5

[1, 2, 3, 4, 5] 5

Shopping cart of an e-commerce application

Loading icons

Currently selected tab in a multipage / document

Followed news items in a news app

The computed properties are auto triggered when any of the reactive dependencies changes.

The computed properties are cached based on their reactive dependencies.

The watchers need to be manually triggered when the watched property is assigned a new value.

The watchers can be defined globally, and apply to all instances of a Vue component.

let add = (x, y) => x + y

let add = (x, y) => { x + y; }

function add (x, y) { return x + y; }

All of these

10 30 20

10 30 undefined

10 undefined 30

10 undefined undefined

10 30 10 20 20

10 undefined 10 undefined undefined

v-model

v-click

v-if

v-show

{ a: 1, b: 2, property1: 10, property2: 20 }

{ a: 1, b: 2, obj1: { property1: 10, property2: 20 } }

{ property1: 10, property2: 20 }

{ a: 1, b: 2 }       **MLT** **Section Id :** 64065351360 **Section Number :** 12 **Section type :** Online **Mandatory or Optional :** Mandatory **Number of Questions :** 11 **Number of Questions to be attempted :** 11 **Section Marks :** 50 **Display Number Panel :** Yes