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Salesforce Certified JavaScript Developer I Exam Sample Questions (Q133-Q138):

NEW QUESTION # 133
A developer wants to literate through an array of objects and count the objects whose property value, name, start with the letter N. const arrobj - [{''name ''t ''Zach''}, { ''name t Kate'') , ( ''name Alice'') < ( ''name'' t ''Bob'') , (''name'' t ''Nathan) , (''name'' t ''Nathandle1'')] Refer to the code snippet below:

Which missing lines 02 and 03 return the correct count?

A. Conset sun + curr. StartsWith ('N') 7 1 : 1;
Return acc + sum ;
B. Comst sum = curr. Name startsWith ('N') 7 1 : 0
Return acc + sum;
C. Comst sum = curr. name startsWith ('N') 7 1 : 0;
Return curr + sum;
D. Const sum = curr. name startsWith ('N') 7 1 : 0;
Return curr + sum;

Answer: B

NEW QUESTION # 134
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. Undefined Developer
B. John Developer
C. John undefined
D. Error: myFather.job is not a function

Answer: B

NEW QUESTION # 135
Given the code below:

What is logged to the console'

A. 1 2 5 3 4
B. 2 5 3 4 1
C. 2 5 1 3 4
D. 1 2 3 4 5

Answer: B

NEW QUESTION # 136
Refer to the code below:
Function changeValue(obj) {
Obj.value = obj.value/2;
}
Const objA = (value: 10);
Const objB = objA;
changeValue(objB);
Const result = objA.value;
What is the value of result after the code executes?

A. Undefined
B. Nan
C. 0
D. 1

Answer: D

NEW QUESTION # 137
Given the code below:
01 function GameConsole (name) {
02 this.name = name;
03 }
04
05 GameConsole.prototype.load = function(gamename) {
06 console.log( ` $(this.name) is loading a game : $(gamename) ...`);
07 )
08 function Console 16 Bit (name) {
09 GameConsole.call(this, name) ;
10 }
11 Console16bit.prototype = Object.create ( GameConsole.prototype) ;
12 //insert code here
13 console.log( ` $(this.name) is loading a cartridge game : $(gamename) ...`);
14 }
15 const console16bit = new Console16bit(' SNEGeneziz ');
16 console16bit.load(' Super Nonic 3x Force ');
What should a developer insert at line 15 to output the following message using the method ?
> SNEGeneziz is loading a cartridge game: Super Monic 3x Force . . .

A. Console16bit = Object.create(GameConsole.prototype).load = function
(gamename) {
B. Console16bit.prototype.load(gamename) {
C. Console16bit.prototype.load = function(gamename) {
D. Console16bit.prototype.load(gamename) = function() {

Answer: C

NEW QUESTION # 138
......

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