NO.114 A developer is required to write a function that calculates the sum of elements in an
array but is getting undefined every time the code is executed. The developer needs to find
what is missing in the code below.
Const sumFunction = arr => {
Return arr.reduce((result, current) => {
//
Result += current;
//
), 10);
);
Which option makes the code work as expected?

NO.115 A developer creates an object where its properties should be immutable and prevent
properties from being added or modified.
Which method should be used to execute this business requirement ?

NO.116 Universal Containers (UC) just launched a new landing page, but users complain that the website is slow. A developer found some functions any that might cause this problem. To verify this, the developer decides to execute everything and log the time each of these three suspicious functions consumes.
Which function can the developer use to obtain the time spent by every one of the three functions?

NO.117 A developer has two ways to write a function:

After deciding on an option, the developer creates 1000 monster objects.
How many growl methods are created with Option A and Option B?

NO.118 Refer to the following code:

Which statement should be added to line 09 for the code to display. The boat has a capacity of 10 people?

NO.119 Refer to the code below:
let car1 = new Promise((_ ,reject)=> setTimeout(reject,2000,”Car1 crashed in”)); let car2 = new Promise(resolve => setTimeout(resolve,1500,”Car2 completed”)); let car3 = new Promise(resolve => setTimeout(resolve,3000,”Car3 completed”)); Promise.race([car1,car2,car3])
.then(value=>{
let result = `${value} the race.`;
}).catch(err=>{
console.log(‘Race is cancelled.’,err);
});
What is the value of result when promise.race execues?

NO.120 Which statement accurately describes the behaviour of the async/ await keyworks ?

NO.121 The developer wants to test this code:
Const toNumber =(strOrNum) => strOrNum;
Which two tests are most accurate for this code?
Choose 2 answers

NO.122 Given the JavaScript below:

Which code should replace the placeholder comment on line 05 to highlight accounts that match the search string’

NO.123 Given the HTML below:

Which statement adds the priority-account CSS class to the Unversal Containers row?

NO.124 A developer has the function, shown below, that is called when a page loads.
function onload() {
console.log(“Page has loaded!”);
}
Where can the developer see the log statement after loading the page in the browser?

NO.125 Refer to the code below:
Const searchTest = ‘Yay! Salesforce is amazing!” ;
Let result1 = searchText.search(/sales/i);
Let result 21 = searchText.search(/sales/i);
console.log(result1);
console.log(result2);
After running this code, which result is displayed on the console?

NO.126 Refer to the following object.

How can a developer access the fullName property for dog?

NO.127 Which statement accurately describes the behavior of the async /swait keywords?

NO.128 A developer implements and calls the following code when an application state change occurs:

If the back button is clicked after this method is executed, what can a developer expect?

NO.129 A developer is setting up a new Node.js server with a client library that is built using events and callbacks.
The library:
* Will establish a web socket connection and handle receipt of messages to the server
* Will be imported with require, and made available with a variable called we.
The developer also wants to add error logging if a connection fails.
Given this info, which code segment shows the correct way to set up a client with two events that listen at execution time?

NO.130 A developer is asked to fix some bugs reported by users. To do that, the developer adds a breakpoint for debugging.
Function Car (maxSpeed, color){
This.maxspeed =masSpeed;
This.color = color;
Let carSpeed = document.getElementById(‘ CarSpeed’);
Debugger;
Let fourWheels =new Car (carSpeed.value, ‘red’);
When the code execution stops at the breakpoint on line 06, which two types of information are available in the browser console ?
Choose 2 answers:

NO.131 Given the following code:
document.body.addEventListener(‘ click ‘, (event) => {
if (/* CODE REPLACEMENT HERE */) {
console.log(‘button clicked!’);
)
});
Which replacement for the conditional statement on line 02 allows a developer to
correctly determine that a button on page is clicked?

NO.132 A developer wants to use a try…catch statement to catch any error that countSheep () may throw and pass it to a handleError () function.
What is the correct implementation of the try…catch?