Referto the following code:

Which two statement could be inserted at line 17 to enable the function call on line 18? Choose 2 answers

• A.leo.prototype.roar = ( ) =>( console.log('They\'re pretty good!'); };
• B.leo.roar = () => { console.log('They\'re pretty good!'); );
• C.Object.assign (leo, tony);
• D.Object.assign (leo. Tiger);

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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 msg is declared and assigned a value on line 03.
```javascript
function getAvailabilityMessage(item) {
if (getAvailability(item)) {
var msg = "Username available";
return msg;
}
}

• A.undefined
• B."newUserName"
• C."Username available"
• D."msg is not defined"

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A developer implements a function that adds a few values.
function sum(num1, num2, num3) {
if (num3 === undefined) {
num3 = 0;
}
return num1 + num2 + num3;
}
Which three options can the developer invoke for this function to get a return value of 10?

• A.sum(5)(5);
• B.sum()(10);
• C.sum(5, 5, 0);
• D.sum(10, 0);
• E.sum(5, 2, 3);

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CRefer to the code below:
```javascript
let strNumber = '12345';
```
Which code snippet shows a correct way to convert this string to an integer?

• A.let numberValue = Integer(strNumber);
• B.let numberValue = Number(textVelue);
• C.let numberValue = (stunber) textveluer
• D.let numberValue = textvalue.cornteger();

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A developer has a web server running with Node.js. The command to start the web server is node server.js. The web server started having latency issues. Instead of a one second turnaround for web requests, the developer now sees a five second turnaround.
Which command can the web developer run to see what the module is doing during the latency period?

• A.DEBUG=true node server.js
• B.NODE_DEBUG=http,https node server.js
• C.DEBUG=http, https node server.js
• D.NODE_DEBUG=true node server.js

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