JavaScript Programming Beginner Quiz 4
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Beginner Quiz 4
1. What is the correct way to write a JavaScript array?
var colors = "red", "green", "blue"
var colors = ["red", "green", "blue"]
var colors = (1:"red", 2:"green", 3:"blue")
2. How do you start an if statement in JavaScript?
if (condition) {}
if condition {}
if [condition]
3. Which built-in method returns the character at the specified index?
getCharAt()
charAt()
characterAt()
4. What is the correct way to comment out multiple lines in JavaScript?
/* comment */
// comment //
<!-- comment -->
5. Which method is used to remove the last element of an array?
shift()
pop()
remove()
6. Which symbol is used for single-line comments?
//
/* */
--
7. How do you write "Hello" in the console?
alert("Hello")
console.log("Hello")
print("Hello")
8. Which keyword is used to declare a variable in JavaScript?
var
variable
v
9. How do you create a string in JavaScript?
string s = "hello"
s = 'hello
let s = "hello"
10. What is the correct way to write a JavaScript object?
let obj = {name: "John", age: 30}
let obj = (name: "John", age: 30)
let obj = [name: "John", age: 30]
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