console.log(Hello World.includes(World)); Output:
Anonymous Quiz
46%
true
10%
false
6%
Error
38%
World
What is the main purpose of the jQuery library?
Anonymous Quiz
4%
To design images
85%
To simplify DOM and JavaScript coding
8%
To store data in a database
2%
To speed up the internet
Which of the following is the correct syntax to start jQuery?
Anonymous Quiz
15%
document.ready(function(){ ... });
67%
$(document).ready(function(){ ... });
17%
$(document).ready();
2%
ready(document);
Which code selects all <p> elements and hides them?
Anonymous Quiz
10%
hide(p);
67%
$(p).hide();
17%
document.getElementById(p).hide();
6%
$(p).display(none);
In jQuery, which method is used to change the content of an HTML element?
Anonymous Quiz
11%
.val()
6%
.css()
77%
.html()
6%
.attr()
Which code sets the text of an element with id demo to Hello?
Anonymous Quiz
57%
$(#demo).html(Hello);
35%
$(demo).text(Hello);
4%
$(p#demo).value(Hello);
4%
$(demo).html(Hello);
What does this code do? $(#btn).click(function(){ $(p).toggle(); });
Anonymous Quiz
17%
Changes the color of <p>
77%
Toggles show/hide of <p>
6%
Deletes all <p>
0%
Does nothing
In jQuery, which method changes the CSS of an element?
Anonymous Quiz
10%
.property()
62%
.css()
4%
.attr()
24%
.style()
What does this code return? $(#myInput).val();
Anonymous Quiz
23%
The id of the input
0%
Nothing
54%
The user-entered value
23%
The HTML inside the element
Which jQuery method is used to hide elements?
Anonymous Quiz
2%
.remove()
10%
.delete()
87%
.hide()
2%
.display()
How do you declare a JavaScript variable?
Anonymous Quiz
13%
var x;
7%
int x;
6%
let x = 0;
74%
Both A and C
What is the correct way to write a JS comment?
Anonymous Quiz
8%
<!-- comment -->
4%
// comment
6%
/* comment */
83%
Both B and C
How do you write a multi-line comment?
Anonymous Quiz
79%
/* comment */
12%
<!-- comment -->
8%
// comment
2%
None of the above