CRT-600 무료 덤프문제 온라인 액세스

Refer to the following array:
Let arr = [ 1,2, 3, 4, 5];
Which three options result in x evaluating as [3, 4, 5] ?
Choose 3 answers.

• A.Let x= arr.filter (( a) => (a<2));
• B.Let x= arr.slice(2);
• C.Let x = arr.slice(2,3);
• D.Let x= arr.filter((a) => ( return a>2 ));
• E.Let x= arr.splice(2,3);

Given the following code, what is the value of x?
let x = '15' + (10 * 2);

• A.35
• B.3020
• C.1520
• D.50

Refer to the code:

Given the code above, which three properties are set for pet1? Choose 3 answers

• A.owner
• B.type
• C.size
• D.name
• E.canTalk

Refer to code below:
function Person() {
this.firstName = 'John';
}
Person.prototype ={
Job: x => 'Developer'
};
const myFather = new Person();
const result =myFather.firstName + ' ' + myFather.job();
What is the value of the result after line 10 executes?

• A.John undefined
• B.Undefined Developer
• C.Error: myFather.job is not a function
• D.John Developer

A developer writes the code below to return a message to a user attempting to register a new username. If the username is available, a variable named nag is declared and assigned a value on line 03.

What is the value of msg when getAvailableabilityMessage ("newUserName") is executed and get Availability ("newUserName") returns true?

• A.undefined
• B."newUserName"
• C."User-name available"
• D."msg is not defined"