Hoisting
console.log('varname',varName);
var varName;
console.log('varname',varName);
varName ="captain america";
console.log('varname',varName);
fn();
function fn()
{
console.log("hello from fn");
}
fn();
Temporal Zone
//temporal dead zone is a zone where the variable is in accesible
with var
console.log(a);
var a =2;
op-undefined
with let
console.log(b);
let b=3;
op -(Error ) Missing initializer in const declaration
with const
console.log(c);
const c=4;
op -(Error ) Missing initializer in const declaration
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