An Interest In:
Web News this Week
- April 27, 2024
- April 26, 2024
- April 25, 2024
- April 24, 2024
- April 23, 2024
- April 22, 2024
- April 21, 2024
80 % of freshers fail to answers these javascript snippets
Q1. Guess the output:
var truth = true;
let havingFunction = function()
{
if (truth)
{
var name = vineet
let lastName= mishra
}
console.log(name)
console.log(lastName)
}
havingFunction()
Take a break dont jump into output, think hard
Output:
vineet
ReferenceError: lastName is not defined
Reason: This happens due to the variable scope where name variable has function and lastName is having local scope
Q2. Guess the output:
console.log(3 > 2 > 1);
console.log(1 < 2 < 3);
take a break dont jump into output, think hard
Output:
false
true
Reason: In the first section of the snippet where 3>2>1 is false because when programs run it go for 3>2 which is true and then it goes for the other part which becomes true >1" where the value of true is 1 then equation becomes 1>1 which going to false, vice versa happens for another snippet which is 1<2< 3
Read more
Original Link: https://dev.to/braincuber_technologies/80-of-freshers-fail-to-answers-these-javascript-snippets-4cam
Dev To
An online community for sharing and discovering great ideas, having debates, and making friendsMore About this Source Visit Dev To