QUESTION: 77

developer removes the HTML class attribute from the checkout button, so now it is simply:
<button>Checkout</button>.
There is a test to verify the existence of the checkout button, however it looks for a button with class= "blue". The test fails because no such button is found.
Which type of test category describes this test?

True positive
True negative
False positive
False negative

Answer(s): D

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QUESTION: 78

Which two code snippets show working examples of a recursive function? Choose 2 answers

Let countingDown = function(startNumber) {
If ( startNumber >0) {
console.log(startNumber) ;
return countingDown(startNUmber);
} else {

return startNumber;
}};
Function factorial ( numVar ) {
If (numVar < 0) return;
If ( numVar === 0 ) return 1;
return numVar -1;
Const sumToTen = numVar => {
If (numVar < 0)
Return;
return sumToTen(numVar + 1)};
Const factorial =numVar => {
If (numVar < 0) return;
If ( numVar === 0 ) return 1;
return numVar * factorial ( numVar - 1 );
};

Answer(s): A,D

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QUESTION: 79

Refer to the HTML below:
<div id="main">
<ul>
<li>Leo</li>
<li>Tony</li>
<li>Tiger</li>
</ul>
</div>
Which JavaScript statement results in changing " Tony" to "Mr. T."?

document.querySelectorAll(`$main $TONY').innerHTML = ' Mr. T. ';
document.querySelector(`$main li:second-child').innerHTML = ' Mr. T. ';
document.querySelector(`$main li.Tony').innerHTML = ' Mr. T. ';
document.querySelector(`$main li:nth-child(2)'),innerHTML = ' Mr. T. ';

Answer(s): D

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QUESTION: 80

Considering type coercion, what does the following expression evaluate to? True + `13' + NaN

` 113Nan '
14
` true13 '
` true13NaN '

Answer(s): D

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