JS Practice

Quiz
•
Computers
•
12th Grade
•
Medium
Nixon López
Used 6+ times
FREE Resource
17 questions
Show all answers
1.
REORDER QUESTION
1 min • 2 pts
You are a creating a web page with a script.
The script will insert the window's location inside the page's input element.
Sort the elements bellow according to the order in the script:
.href
window.location
value =
document.
getElementById('url').
Answer explanation
This code creates a web page with an input field that displays the URL of the current page when loaded in a web browser.
2.
REORDER QUESTION
1 min • 2 pts
A JavaScript array is initialized as follows:
var array=[20,40,60,80];
You write the following code to manipulate the array:
array.shift();
array.pop();
array.push(10);
array.unshift(100);
Sort the final result of the array by dragging the elements:
100
10
60
40
3.
LABELLING QUESTION
1 min • 2 pts
You need to write a loop that will traverse the length of an array to find the value orange. If an array element value is null, the code should immediately go to the next element. When the value is found, the loop should exit.
How should you complete the code?
Drag the elements to the correct position according to the statement.
do
continue
while
break
for
4.
DROPDOWN QUESTION
1 min • 2 pts
Evaluate the following code. Line numbers are included for reference only.
var n = 50;
var c = n + 5;
var a = n % 2;
var d = c / 11;
n = d * 2;
console.log (n, c, a, d);
(a)
What is the console result of the variables n,c,a,d?
Choose the correct option.
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
totalscore is in the correct format according to standard naming conventions for JavaScript
Yes
No
6.
LABELLING QUESTION
1 min • 2 pts
You are designing a web page that contains a blue button. When the button is pressed, it should call a function that displays the message "Welcome!".
When the cursor hovers over the button, the button should turn red. When the cursor leaves the button, the button should revert back to its original color of blue.
You want to complete the markup using the appropriate HTML events.
How should you complete the markup?
To answer, select the appropriate event in the answer area.
onmouseover
onkeydown
onmousedown
onmouseout
onclick
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Form POST requests will always remain in the browser history.
Yes
No
Answer explanation
POST requests do not appear in the browser history as a unique URL, since the submitted data is not in the URL but in the body of the request. However, the page to which the form is submitted may appear in the browser history.
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