#3 JavaScript interview Q&A : Test your JavaScript Skill #shorts #mrcoder #MRCODER

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#JavaScript #InterviewPrep #CodingQuiz #JavaScriptQuiz #WebDevelopment #Programming #JSInterview #Coding #JavaScriptInterview #TechInterview#1 JavaScript interview Q&A : Test your Js Skill #shorts #mrcoder #MRCODERVariables declared with the const keyword are not referencable before their initialization: this is called the temporal dead zone. In the getInfo function, the variable randomValue is scoped in the functional scope of getInfo. On the line where we want to log the value of typeof randomValue, the variable randomValue isn't initialized yet: a ReferenceError gets thrown! The engine didn't go down the scope chain since we declared the variable randomValue in the getInfo function.

[MRCODER_YT]

Answer :- 3
Reason :-
let count = 0; initializes the count variable to 0.
const nums = [0, 1, 2, 3]; creates an array nums with elements 0, 1, 2, and 3.
nums.forEach(num => { if (num) count += 1 }) iterates over each element in the nums array. For each element, it checks if the element is truthy. If it is, the count variable is incremented by 1.
In JavaScript:

0 is falsy.
1, 2, and 3 are truthy.
Therefore, the code will increment count for 1, 2, and 3, but not for 0.

Finally, console.log(count) prints the value of count, which will be 3.