JS/index3.html at master · Creatorbon/JS · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
	<script>

//	var obj = {};

//	var obj_2 = new Object();

/*	student.name = 'Alex';
	student.course = 'JavaScript';
	student.course_part = 3;
	student['Адрес'] = 'г. Киев, улю Арсенальная, 5';*/

/*	var student = {
		name: 'Alex',
		course: 'JavaScript',
		courses_learned: ['HTML', 'CSS', 'Wordpress']
	};

/*	console.log(student.courses_learned);
console.log('Student '+student.name+' learns '+student.course);*/

/*	if ('name' in student) console.log(student.name)
	else console.error('not find')


	var courser_q = 0;
	for (var i in student) {
		if (i === 'courses_learned') {
			var courser_q = student[i].length;
			student.courses_q = courser_q;
		}
		console.log(i+':'+student[i]);
	}
	console.log(student);*/

/*	var student = [
		{
			name: 'Alex',
			age: 18
		}, {
			name: 'Mark',
			age: 30
		}, {
			name: 'Eva',
			age: 16
		}, {
			name: 'Andre',
			age: 19
		}
		];*/

/*	var sortByAge = {
		'18+': [],
		'до 18': []
	};

	console.log(student, sortByAge);


	for (var i=0; i<student.length; i++) {
		student[i].age>=18 ? sortByAge['18+'].push(student[i]) : sortByAge['до 18'].push(student[i]);
	}

	console.log(sortByAge);*/

	// delete student[0].name;
	// console.log(student);

/*	var student = {
			name: 'Alex',
			age: 18
		};

	var student_copy = Object.assign(student, {courses: 'JS'});
	console.log(student, student_copy);*/
/*	var student_copy = {};

	for (var i in student) {
		student_copy[i]=student[i];
	}

	student_copy.name = 'Mark';
	console.log(student, student_copy);

	*/

/*	function sum(a,b){
		console.info(a);
		return a+b;
	};

	sum(2,2);*/
/*
	var summ=function(a,b){
		return a+b;
	};

	function doSmth (a,b,func){
		return func(a,b);
	};

	var elSumm = doSmth(2,5,summ);
	console.log(elSumm);
	*/

/*	var timer = setInterval(function(){
		console.log('Hello');
	}, 200);
	console.log(timer);

	setTimeout(function(){clearInterval(timer)}, 10000);*/

/*	var student = {
		name: 'Alex',
		sayHi: function(name){
			console.log('Hi from '+this.name+' '+name);
		}
	};

	student.sayHi('Alisa');
	student.sayHi('Mark');*/

/*	function student(name, course){
		console.log(this);
	};

	student();
	this.a = '2'; */

	// ПРИНЦИП МОДУЛЬНОСТИ

	/*(function(){
		var a='2';
		console.log(a);
	})();
	var a='2';*/

/*	function Student(name, course) {
		this.name = name;
		this.course = course;
	};
	Student.prototype.sayHi = function(){
		console.log('Hi, I am '+this.name+'!');
	}
	Student.prototype.changeName = function(name) {
		this.name = name;
		console.log('Name change to '+name);
	}

	var vasiliy = new Student ('Vasya', 'JS'),
		anna = new Student ('Anna', 'CSS3');

	console.log(vasiliy, anna);
	vasiliy.sayHi();
	anna.sayHi();
	vasiliy.changeName('Gena');
	vasiliy.sayHi();*/

	var studentTalk = {
		sayHi: function(){
			console.log('Hi, I am '+this.name+'!')
		},
		sayBye: function(){
			console.log('Bye, from '+this.name+'!')
		}
	}

	var vasya = {
		name: 'Vasya',
		age: 30,
	}, natasha = {
		name: 'Natasha',
		age: 20,
	}

	vasya.__proto__ = studentTalk;
	natasha.__proto__ = studentTalk;

	vasya.sayHi();
	vasya.sayBye();

	natasha.sayHi();
	natasha.sayBye();


	function summ() {
		console.log(arguments);
	}

	summ(2,2,3,23,54,5,55,5);
</script>
</body>
</html>