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Which two results occur when running this test on the updated sum3 function?
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 numbers in the array, and the test passes. A different developer made changes to the behavior of sum3 to instead sum only the first...
What is returned by the function call on line 13?
Refer to the following code: function test (val) { If (val === undefined) { return ‘Undefined values!’ ; } if (val === null) { return ‘Null value! ’; } return val; } Let x; test(x); What is returned by the function call on line 13?A . UndefinedB . Line 13...
Which command can the web developer run to see what the module is doing during the latency period?
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 turn around for web requests, the developer now sees a five second turnaround, Which command can the web developer run...
What can the developer do to change the code to print “Hello World”?
The developer has a function that prints “Hello” to an input name. To test this, the developer created a function that returns “World”. However the following snippet does not print “Hello World”. What can the developer do to change the code to print “Hello World”?A . Change line 7 to...
.finally(() => console.log(" when am I called?
Refer to the code below: new Promise((resolve, reject) => { const fraction = Math.random(); if( fraction >0.5) reject("fraction > 0.5, " + fraction); resolve(fraction); }) .then(() =>console.log("resolved")) .catch((error) => console.error(error)) .finally(() => console.log(" when am I called?")); When does Promise.finally on line 08 get called?A . When rejectedB . When...
What kind of export be leverages so that multiple functions can be used?
A developer has an ErrorHandler module that contains multiple functions. What kind of export be leverages so that multiple functions can be used?A . NamedB . AllC . MultiD . DefaultView AnswerAnswer: A
Which code change should be made for the console to log only Row log when ‘Click me! ’ is clicked?
Refer to the code below: <html lang=”en”> <table onclick=”console.log(Table log’);”> <tr id=”row1”> <td>Click me!</td> </tr> <table> <script> function printMessage(event) { console.log(‘Row log’); } Let elem = document.getElementById(‘row1’); elem.addEventListener(‘click’, printMessage, false); </script> </html> Which code change should be made for the console to log only Row log when ‘Click me! ’...
Which JavaScript statement changes the text ‘In Progress’ to ‘Completed’?
Refer to HTML below: <p> The current status of an Order: <span id =”status”> In Progress </span> </p>. Which JavaScript statement changes the text ‘In Progress’ to ‘Completed’?A . document.getElementById(“status”).Value = ’Completed’ ;B . document.getElementById(“#status”).innerHTML = ’Completed’ ;C . document.getElementById(“status”).innerHTML = ’Completed’ ;D . document.getElementById(“.status”).innerHTML = ’Completed’ ;View AnswerAnswer: C
Which two tests are the most accurate for this array?
The developer wants to test the array shown: const arr = Array(5).fill(0) Which two tests are the most accurate for this array? Choose 2 answers:A . console.assert( arr.length === 5 );B . arr.forEach(elem => console.assert(elem === 0)) ;C . console.assert(arr[0] === 0 && arr[ arr.length] === 0);D . console.assert (arr.length...
What are the values of greeting and salutation once code completes?
Refer to the code below: Line 05 causes an error. What are the values of greeting and salutation once code completes?A . Greeting is Hello and salutation is Hello, Hello.B . Greeting is Goodbye and salutation is Hello, Hello.C . Greeting is Goodbye and salutation is I say Hello.D ....
