Bissoy.com
Doctors Medicines MCQs Q&A

The main difference between the variables declared with var and with let is

The main difference between the variables declared with var and with let is Correct Answer let is confined to a particular function but var is not

Variables declared with var are defined throughout the enclosing function. Variables declared with let are defined only within the closest enclosing block (and any blocks nested within it, of course).

Related Questions

Given that 100.48=x, 100.70=yandxz=y2, then the value ofzis close to ___ ?
In a web server, ten WebPages are stored with URLs of the form http://www.yourname.com/var.html; where; var is a different number from 1 to 10 for each Webpage. Suppose, the client stores the Webpage with var = 1 (say W1) in local machine, edits and then tests. Rest of the WebPages remains on the web server. W1 contains several relative URLs of the form ‘’var.html’’ referring to the other WebPages. Which one of the following statements needs to be added in W1, so that all the relative URLs in W1 refer to the appropriate WebPages on the web server?
If A = x% of y and B = y% of x, then which of the following is true?
What is the value of var? $var = 'HELLO WORLD!'; $var = ucfirst($var);
Determine Output:
void main(){ static int var = 5; printf("%d ", var--); if(var) main();}
The main difference between the variables declared with var and with let is __________
Consider the two statements. S1 : There exist random variables X and Y such that (E[X - E(X)) (Y - E(Y))])2 > Var[X] Var[Y] S2 : For all random variables X and Y, Cov[X, Y] = E [|X - E[X]| |Y - E[Y]|] Which one of the following choices is correct?
Suppose X and Y are random variables with E(X) = 37, var(X) = 5, E(Y) = 62, and var(Y) = 12. What are the expected value and variance of the random variable X + Y?
Consider the following variable declarations and definations in C . (i) int var _ 9 =1 ; (ii) int 9 _ var =2; (iii) int + =3; Choose the correct statement w.r.t above variables.
Comment on the output of the following C code.
#include #define var 20);int main(){ printf("%d\n", var}