console.log( !!null, !!'', !!1 )
Anonymous Quiz
24%
false true false
35%
false false true
19%
false true true
21%
true true false
Guess the output
let x = [3,4,5,6,7][1,2,3]
console.log(x)
let x = [3,4,5,6,7][1,2,3]
console.log(x)
Anonymous Quiz
42%
[3,4,5,6,71,2,3]
23%
Undefined
25%
error
10%
6
Guess the output
let x = 2;
let y = (x++, 10) console.log(x, y)
let x = 2;
let y = (x++, 10) console.log(x, y)
Anonymous Quiz
17%
2, 310
45%
3, 10
21%
2, 10
17%
Error
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If you're preparing for job interviews and need guidance or a mock interview, let's schedule a 1:1 call. I'm here to help you succeed!
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https://topmate.io/Roshan
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CHALLENGE
const arr = [1, 2, 3, 4, 5];
const sliced = arr.slice(1, 3);
const spliced = arr.splice(1, 3);
console.log(sliced, spliced, arr);
Choose the correct answer
Anonymous Quiz
19%
[1,2], [1,2,3], [1,5]
25%
[1,2,3], [2,3,4], [1,5]
47%
[2,3], [2,3,4], [1,5]
8%
[2,3], [2,3,4], [1,4]
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Guess the output.
let valueA = [5]; let valueB = [6]; console.log(valueA+valueB);
let valueA = [5]; let valueB = [6]; console.log(valueA+valueB);
Anonymous Quiz
33%
11
25%
Error
8%
Null
33%
56
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let fruits = ['Apple', 'Banana'];
console.log(fruits[2]);
console.log(fruits[2]);
Anonymous Quiz
9%
Banana
3%
Apple
73%
Undefined
15%
throws an Error
console.log(“2”+1+1)
console.log(2+1+”1”)
console.log(2+1+”1”)
Anonymous Quiz
5%
31, 31
8%
4, 4
46%
211, 31
7%
NaN, NaN
34%
22, 31
Which method is used to convert a JSON string into a JavaScript object?
Anonymous Quiz
37%
JSON.stringify()
43%
JSON.parse()
5%
JSON.convert()
14%
JSON.toObject()
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