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60 lines (40 loc) · 986 Bytes
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02_scopes.js
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60 lines (40 loc) · 986 Bytes
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// var c = 300
let a = 300
if (true) {
let a = 10;
const b = 20;
// var c = 30;
//console.log("Inner: ", a);
}
// console.log(a);
// console.log(b);
// console.log(c);
//*********** Nested scope ************ (clousre)
function one() {
const username = "sandeep"
function two() {
const website = "youtube"
console.log(username);
}
// console.log(website);
two()
}
// one()
if (true) {
const username = "sandeep"
if (username === "sandeep") {
const website = " youtube"
console.log(username + website);
}
// console.log(website);
}
// console.log(username)
// ********** Interseting ***********(hoisting)
console.log(addone(5));
function addone(num) {
return num + 1
}
console.log(addTwo(5));
const addTwo = function(num) {
return num + 5
}