console-1659432336394.log

function add(){
    console.log(z); 
    if(10>2){
    var z = 100;
    }
    console.log(z);
}
undefined
add();
VM384:2 undefined
VM384:6 100
undefined
var q;
undefined
var q =10000;
undefined
window;
Window {window: Window, self: Window, document: document, name: '', location: Location, …}
typeof window;
'object'
window.q;
10000
this;
Window {window: Window, self: Window, document: document, name: '', location: Location, …}
window == this;
true
10 == 10;
true
10 === 10;
true
10 =="10"
true
function add(){
    console.log(z); 
    if(10>2){
    let z = 100;
    }
    console.log(z);
}
undefined
add();
VM730:2 Uncaught ReferenceError: z is not defined
    at add (<anonymous>:2:17)
    at <anonymous>:1:1
add @ VM730:2
(anonymous) @ VM753:1
function add(){
    var z = 200;
    console.log(z); 
    if(10>2){
    var z = 100;
    }
    var z = 300;
    console.log(z);
}
undefined
add();
VM840:3 200
VM840:8 300
undefined
function add(){
    let z = 200;
    console.log(z); 
    if(10>2){
    let z = 100;
    }
    let z = 300;
    console.log(z);
}
VM901:7 Uncaught SyntaxError: Identifier 'z' has already been declared
function add(){
    let z = 200;
    console.log(z); 
    if(10>2){
    let z = 100;
    }
    //let z = 300;
    console.log(z);
}
undefined
function add(){
    console.log(z);
    let z = 200;
    console.log(z); 
    if(10>2){
        console.log(z);
    let z = 100;
    }
    //let z = 300;
    console.log(z);
}
undefined
add();
VM993:2 Uncaught ReferenceError: Cannot access 'z' before initialization
    at add (<anonymous>:2:17)
    at <anonymous>:1:1
add @ VM993:2
(anonymous) @ VM1023:1
function add(){
    //console.log(z);
    let z = 200;
    console.log(z); 
    if(10>2){
        console.log(z);
    let z = 100;
    }
    //let z = 300;
    console.log(z);
}
undefined
add();
VM1035:4 200
VM1035:6 Uncaught ReferenceError: Cannot access 'z' before initialization
    at add (<anonymous>:6:21)
    at <anonymous>:1:1
add @ VM1035:6
(anonymous) @ VM1058:1
var name = prompt("Enter the Name ");
undefined
name;
'Amit'