Sep 30, 2022 · Sep 30, 2022
diff --git a/accidental-global.js b/accidental-global.js
 function foo() {
    let y = x = 0; // window object
    x++;
    y++;
    return x;
 }

 console.log(foo(), typeof x, typeof y);
diff --git a/class-multiple-constructors.js b/class-multiple-constructors.js
 class Rectangle {
    constructor(height, width) {
        this.height = height;
        this.width = width;
    }

    constructor(width) {
        this.width = width;
    }
    // Getter
    get area() {
        return this.calcArea();
    }
    // Method
    calcArea() {
        return this.height * this.width;
    }
 }

 const square = new Rectangle(20, 30);

 console.log(square.area); // 600
diff --git a/eventloop-order.js b/eventloop-order.js
 function main(){
    console.log('A');
    setTimeout(
        function print(){ console.log('B'); }
        ,0);
    console.log('C');
 }
 main(); // A,C and B
diff --git a/floatingpoint-problem.js b/floatingpoint-problem.js
 console.log(0.1 + 0.2 === 0.3);
diff --git a/function-arrow-context.js b/function-arrow-context.js
 function User(name, age) {
    this.name = name;
    this.age = age;

    this.getProfile = function() {
        // Outer function context
        console.log(this.constructor.name); // User
        return () => {
            // Inner function context
            console.log(this.constructor.name); // User(Get it from the outer context)
            console.log("I'm " + this.name + ", " + this.age + " yrs old");
        };
    }
 }

 let user = new User('John', 25);
 let profile = user.getProfile();
 profile(); //I'm John, 25 yrs old
diff --git a/function-context.js b/function-context.js
 function User(name, age) {
    this.name = name;
    this.age = age;

    this.getProfile = function() {
        // Outer function context
        console.log(this.constructor.name); // User
        return function() {
            // Inner function context
            console.log(this.constructor.name); // Window
            console.log("I'm " + this.name + ", " + this.age + " yrs old");
        };
    }
 }

 var user = new User('John', 25);
 var profile = user.getProfile();
 profile(); //I'm undefined, undefined yrs old
diff --git a/function-expression.js b/function-expression.js
 var y = 1;

 console.log(y);
 if (function f(){}) {
    y += typeof f;
    console.log(y);
 }
 console.log(y);
diff --git a/function-hoisted.js b/function-hoisted.js
 let obj=['love', 'blue', 1016, 'india']
 var car =  Vehicle.apply({}, obj);
 console.log(car);

 function Vehicle(model, color, year, country) {
    this.model = model;
    this.color = color;
    this.year = year;
    this.country = country;
    return this
 }
diff --git a/function-without-new.js b/function-without-new.js
 function Vehicle(model, color, year, country) {
    this.model = model;
    this.color = color;
    this.year = year;
    this.country = country;
 }

 var car = new Vehicle("Honda", "white", "2010", "UK");
 console.log(car);
diff --git a/functiontest.js b/functiontest.js
diff --git a/semicolon-issue.js b/semicolon-issue.js
 function foo() {
    return ;
    {
        message: "Hello World"
    };
 }
 console.log(foo()); //Undefined
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,8 @@
		function foo() {
		let y = x = 0; // window object
		x++;
		y++;
		return x;
		}

		console.log(foo(), typeof x, typeof y);
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,22 @@
		class Rectangle {
		constructor(height, width) {
		this.height = height;
		this.width = width;
		}

		constructor(width) {
		this.width = width;
		}
		// Getter
		get area() {
		return this.calcArea();
		}
		// Method
		calcArea() {
		return this.height * this.width;
		}
		}

		const square = new Rectangle(20, 30);

		console.log(square.area); // 600
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,8 @@
		function main(){
		console.log('A');
		setTimeout(
		function print(){ console.log('B'); }
		,0);
		console.log('C');
		}
		main(); // A,C and B
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,18 @@
		function User(name, age) {
		this.name = name;
		this.age = age;

		this.getProfile = function() {
		// Outer function context
		console.log(this.constructor.name); // User
		return () => {
		// Inner function context
		console.log(this.constructor.name); // User(Get it from the outer context)
		console.log("I'm " + this.name + ", " + this.age + " yrs old");
		};
		}
		}

		let user = new User('John', 25);
		let profile = user.getProfile();
		profile(); //I'm John, 25 yrs old
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,8 @@
		var y = 1;

		console.log(y);
		if (function f(){}) {
		y += typeof f;
		console.log(y);
		}
		console.log(y);
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,11 @@
		let obj=['love', 'blue', 1016, 'india']
		var car = Vehicle.apply({}, obj);
		console.log(car);

		function Vehicle(model, color, year, country) {
		this.model = model;
		this.color = color;
		this.year = year;
		this.country = country;
		return this
		}
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,9 @@
		function Vehicle(model, color, year, country) {
		this.model = model;
		this.color = color;
		this.year = year;
		this.country = country;
		}

		var car = new Vehicle("Honda", "white", "2010", "UK");
		console.log(car);
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,7 @@
		function foo() {
		return ;
		{
		message: "Hello World"
		};
		}
		console.log(foo()); //Undefined