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NEW QUESTION 52
Refer to the following code:

What will the console when the button is clicked?

A. Inner messageB. Inner message C. Outer messageD. Outer message

Answer: D

 

NEW QUESTION 53
Refer to the code below:
01 let car1 = new promise((_, reject) =>
02 setTimeout(reject, 2000, "Car 1 crashed in"));
03 let car2 = new Promise(resolve => setTimeout(resolve, 1500, "Car 2
completed"));
04 let car3 = new Promise(resolve => setTimeout (resolve, 3000, "Car 3
Completed"));
05 Promise.race([car1, car2, car3])
06 .then(value => (
07 let result = $(value) the race. `;
08 ))
09 .catch( arr => (
10 console.log("Race is cancelled.", err);
11 ));
What is the value of result when Promise.race executes?

A. Car 2 completed the race.B. Car 3 completed the race.C. Race is cancelled.D. Car 1 crashed in the race.

Answer: A

 

NEW QUESTION 54
Refer to the code below:

Line 05 causes an error.
What are the values of greeting and salutation once code completes?

A. Greeting is Goodbye and salutation is I say Hello.B. Greeting is Goodbye and salutation is Hello, Hello.C. Greeting is Hello and salutation is Hello, Hello.D. Greeting is Hello and salutation is I say hello.

Answer: C

 

NEW QUESTION 55
A developer is creating a simple webpage with a button. When a user clicks this button
for the first time, a message is displayed.
The developer wrote the JavaScript code below, but something is missing. The
message gets displayed every time a user clicks the button, instead of just the first time.
01 function listen(event) {
02 alert ( 'Hey! I am John Doe') ;
03 button.addEventListener ('click', listen);
Which two code lines make this code work as required?
Choose 2 answers

A. On line 02, use event.first to test if it is the first execution.B. On line 04, use button.removeEventListener(' click" , listen);C. On line 06, add an option called once to button.addEventListener().D. On line 04, use event.stopPropagation ( ),

Answer: B,C

 

NEW QUESTION 56
......


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