QUESTION: 25

Refer to the code below:

Async funct on functionUnderTest(isOK) {
If (isOK) return `OK' ;
Throw new Error(`not OK');
)
Which assertion accurately tests the above code?

Console.assert (await functionUnderTest(true), ` OK ')
Console.assert (await functionUnderTest(true), ` not OK ')
Console.assert (await functionUnderTest(true), ` not OK ')
Console.assert (await functionUnderTest(true), `OK')

Answer(s): D

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QUESTION: 26

Consider type coercion, what does the following expression evaluate to? True + 3 + `100' + null

104
4100
`3100null'
`4100null'

Answer(s): D

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A Developer wrote the following code to test a sum3 function that takes in an array of numbers and returns the sum of the first three number in the array, The test passes:
Let res = sum2([1, 2, 3 ]) ;
console.assert(res === 6 );
Res = sum3([ 1, 2, 3, 4]);
console.assert(res=== 6);
A different developer made changes to the behavior of sum3 to instead sum all of the numbers present in the array. The test passes:
Which two results occur when running the test on the updated sum3 function ? Choose 2 answers

The line 02 assertion passes.
The line 02 assertion fails
The line 05 assertion passes.
The line 05 assertion fails.

Answer(s): A,D

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QUESTION: 28

A developer creates a simple webpage with an input field.
When a user enters text in the input field and clicks the button, the actual value of the field must be displayed in the console.
Here is the HTML file content:

<input type =" text" value="Hello" name ="input">
<button type ="button" >Display </button>
The developer wrote the javascript code below:
Const button = document.querySelector(`button');
button.addEvenListener(`click', () => (
Const input = document.querySelector(`input');
console.log(input.getAttribute(`value'));
When the user clicks the button, the output is always "Hello".
What needs to be done make this code work as expected?

Replace line 04 with console.log(input .value);
Replace line 03 with const input = document.getElementByName(`input');
Replace line 02 with button.addEventListener("onclick", function() {
Replace line 02 with button.addCallback("click", function() {

Answer(s): A

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QUESTION: 28

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