Consider the following code snippet

const pi=3.14;
var pi=4;
console.log(pi);

What will be the output for the above code snippet?

Syntax for creating a RegExp object:
1. var txt=new RegExp(pattern,attributes);
2. var txt=/pattern/attributes;
Which of the above mentioned syntax will correct?

Which of the following type of variable is visible only within a function where it is defined?