Pass the Salesforce Developer JavaScript-Developer-I Questions and answers with ExamsMirror

Given the code below:

What is logged to the console'

A developer tries to retrieve all cookies, then sets a certain key value pair in the cookie. These statements are used:

What is the behavior?

Refer to the followingcode:

class Vehicle{

constructor(plate){

this.plate = plate;

}

}

class Truck extends Vehicle{

constructor(plate, weight){

//Missing code

this.weight = weight;

}

displayWeight(){

console.log(`The truck ${this.plate} has a weight of ${this.weight}lb.`);

}

}let myTruck = new Truck('123Ab',5000);

myTruck.displayWeight();

Which statement should be added to missing code for the code to display 'The truck 123AB has a

weight of 5000lb.

Given the code below:

Which three code segments result in a correct conversion from number to string? Choose 3 answers

Given the HTML below:

Which statement adds the priority-account css class to the Applied Shipping row?

Which code statement below correctly persists an objects inlocal Storage ?

A developer writes the code below to calculate the factorial of a given number

function sum(number){

return number * sum(number-1);

}

sum(3);

what is the result of executing the code.

Given the JavaScript below:

01 function filterDOM (searchString) {

02 const parsedSearchString = searchString && searchString.toLowerCase() ;

03 document.quesrySelectorAll(‘ .account’ ) . forEach(account => (

04 const accountName = account.innerHTML.toLOwerCase();

05 account. Style.display = accountName.includes(parsedSearchString) ? /*Insert

code*/;

06 )};

07 }

Which code should replace the placeholder comment on line 05 to hide accounts that do

not match thesearch string?

Refer to code below:

Const objBook = {

Title: ‘Javascript’,

};

Object.preventExtensions(objBook);

Const newObjBook = objBook;

newObjectBook.author =‘Robert’;

What are the values of objBook and newObjBook respectively ?

There is a new requirement for a developer to implement a currPrice method that will return the current price of the item or sales..

What is the output when executing the code above