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Refer to the following code block:
What is the console output?
A. > Better student Jackie got 100% on test.
B. > Uncaught Reference Error
C. > Better student Jackie got 70% on test.
D. > Jackie got 70% on test.
Answer: A
NEW QUESTION # 204
A developer is creating a simple webpage with a button. When a userclicks 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 functionlisten(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 04, use button.removeEventListener(' click" , listen);
B. On line 06, add an option called once to button.addEventListener().
C. On line 04, useevent.stopPropagation ( ),
D. On line 02, use event.first to test if it is the first execution.
Answer: A,B
NEW QUESTION # 205
Refer the code below.
x=3.14;
function myfunction() {
"use strict";
y=x;
}
z=x;
myFunction(); Answer:
Explanation:
See the Answer below in explanation
NEW QUESTION # 206
Which option is a core Node,js module?
A. Memory
B. Path
C. Ios
D. locate
Answer: B
NEW QUESTION # 207
Which statement accurately describes an aspect of promises?
A. .then() manipulates and returns the original promise.
B. In a.then() function, returning results is not necessary since callbacks will catch the result of a previous promise.
C. Arguments for the callback function passed to .then() are optional.
D. .then() cannot be added after a catch.
Answer: C
NEW QUESTION # 208
......
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