illiaKozyr
/
Homework


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405
							<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
    </head>
    <body>
        <script>

            // -------------------3 persons


            // let a = {

            //     name: "Andrey",

            //     surname: "Petroff"

            // }


            // let b = {

            //     name: "Anton",

            //     surname: "Nikitin"

            // }


            // let c = {

            //     name: "Artem",

            //     surname: "Kozyr"

            // }


            // -------------------different fields


            // let a = {

            //     name: "Andrey,

            //     surname: "Petroff",

            //     age: "100",

            //     fathername: "Akakiyovich",

            //     sex: "Male"

            // }


            // let b = {

            //     name: "Anton",

            //     surname: "Nikitin",

            //     age: "23",

            //     fathername: "Ronaldovich",


            // }


            // let c = {

            //     name: "Artem",

            //     surname: "Kozyr",

            //     fathername: "Messiyovich"

            // }


            // -------------------fields check


            // let a = {

            //     name: "Andrey",

            //     surname: "Petroff",

            //     sex: "Male",

            //     age: "100",

            //     fathername: "Akakiyovich",

            // };


            // let b = {

            //     name: "Anton",

            //     surname: "Nikitin",

            //     age: "23",

            //     fathername: "Ronaldovich",

            // };


            // let c = {

            //     name: "Artem",

            //     surname: "Kozyr",

            //     fathername: "Messiyovich",

            // };


            // if  ("age" in a) {

            //     alert(a.age);

            // } if ("sex" in a){

            //     alert(a.sex);

            // } if ("age" in b) {

            //     alert(b.age);

            // } if ("sex" in b){

            //     alert(b.sex);

            // } if  ("age" in c) {

            //     alert(c.age);

            // } if ("sex" in c){

            //     alert(c.sex);

            // }


            // -------------------array of persons


            // var persons = [

            //     (a = {

            //         name: "Andrey",

            //         surname: "Petroff",

            //         sex: "Male",

            //         age: "100",

            //         fathername: "Akakiyovich",

            //     }),

            //     (b = {

            //         name: "Anton",

            //         surname: "Nikitin",

            //         age: "23",

            //         fathername: "Ronaldovich",

            //     }),

            //     (c = {

            //         name: "Artem",

            //         surname: "Kozyr",

            //         fathername: "Messiyovich",

            //     }),

            //     (d = {

            //         "name": "Illia",

            //         "surname": "Kozyr",

            //         "fathername": "Sergeevych",

            //     }),

            // ];


            // -------------------loop of persons


            // var persons = [

            //     (a = {

            //         name: "Andrey",

            //         surname: "Petroff",

            //         sex: "Male",

            //         age: "100",

            //         fathername: "Akakiyovich",

            //     }),

            //     (b = {

            //         name: "Anton",

            //         surname: "Nikitin",

            //         age: "23",

            //         fathername: "Ronaldovich",

            //     }),

            //     (c = {

            //         name: "Artem",

            //         surname: "Kozyr",

            //         fathername: "Messiyovich",

            //     }),

            //     (d = {

            //         "name": "Illia",

            //         "surname": "Kozyr",

            //         "fathername": "Sergeevych",

            //     }),

            // ];


            // var index;

            // for (index = 0; index < persons.length; ++index) {

            //     console.log(persons[index])

            // }


            // -------------------loop of name and surname


            // var persons = [

            //     (a = {

            //         name: "Andrey",

            //         surname: "Petroff",

            //         sex: "Male",

            //         age: "100",

            //         fathername: "Akakiyovich",

            //     }),

            //     (b = {

            //         name: "Anton",

            //         surname: "Nikitin",

            //         age: "23",

            //         fathername: "Ronaldovich",

            //     }),

            //     (c = {

            //         name: "Artem",

            //         surname: "Kozyr",

            //         fathername: "Messiyovich",

            //     }),

            //     (d = {

            //         "name": "Illia",

            //         "surname": "Kozyr",

            //         "fathername": "Sergeevych",

            //     }),

            // ];


            // var index;

            // for (index = 0; index < persons.length; ++index) {

            //     console.log(persons[index].name + " " + persons[index].surname);

            // }


            // -------------------loop of loop of values


            // var persons = [

            //     (a = {

            //         name: "Andrey",

            //         surname: "Petroff",

            //         sex: "Male",

            //         age: "100",

            //         fathername: "Akakiyovich",

            //     }),

            //     (b = {

            //         name: "Anton",

            //         surname: "Nikitin",

            //         age: "23",

            //         fathername: "Ronaldovich",

            //     }),

            //     (c = {

            //         name: "Artem",

            //         surname: "Kozyr",

            //         fathername: "Messiyovich",

            //     }),

            //     (d = {

            //         name: "Illia",

            //         surname: "Kozyr",

            //         fathername: "Sergeevych",

            //     }),

            // ];


            // for (let index = 0; index < persons.length; index++) {

            //     for (let key in persons[index]) {

            //         console.log(persons[index][key]);

            //     }

            // }


            // -------------------fullName


            // var persons = [

            //     (a = {

            //         name: "Andrey",

            //         surname: "Petroff",

            //         sex: "Male",

            //         fathername: "Akakiyovich",

            //     }),

            //     (b = {

            //         name: "Anton",

            //         surname: "Nikitin",

            //         age: "23",

            //         fathername: "Ronaldovich",

            //     }),

            //     (c = {

            //         name: "Artem",

            //         surname: "Kozyr",

            //         fathername: "Messiyovich",

            //     }),

            //     (d = {

            //         name: "Illia",

            //         surname: "Kozyr",

            //         fathername: "Sergeevych",

            //     }),

            // ];


            // for (let object of persons) {

            //     if (object.name && object.surname) {

            //         object.fullName = object.name + " " + object.surname;

            //     }

            // }

            // console.log(persons);


            // -------------------serialize


            // console.log(JSON.stringify(persons));


            // -------------------deserialize


            // const obj = JSON.parse('d: {"name":"John", "surname": "Ivanoff", "city" : "New York"}');

            // let resoultObject = Object.assign(persons, obj);

            // console.log(resoultObject)


            // -------------------HTML


            // var persons = [

            //     (a = {

            //         name: "Andrey",

            //         surname: "Petroff",


            //     }),

            //     (b = {

            //         name: "Anton",

            //         surname: "Nikitin",


            //     }),

            //     (c = {

            //         name: "Artem",

            //         surname: "Kozyr",


            //     }),

            //     (d = {

            //         name: "Illia",

            //         surname: "Kozyr",


            //     }),

            // ];


            // var str = "<table border='1'>";

            // for (let i = 0; i < 4; i++) {

            //     for (let key in persons[i]) {

            //         str += `<tr><td>${[key]}</td><td>${persons[i][key]}</td></tr>`;

            //     }


            // }

            // str += "</table>";

            // console.log(str);

            // document.write(str);


            // ---------------HTML optional fields


            // var persons = [

            //     (a = {

            //         name: "Andrey",

            //         surname: "Petroff",

            //         sex: "Male",

            //         fathername: "Akakiyovich",

            //     }),

            //     (b = {

            //         name: "Anton",

            //         surname: "Nikitin",

            //         age: "23",

            //         fathername: "Ronaldovich",

            //     }),

            //     (c = {

            //         name: "Artem",

            //         surname: "Kozyr",

            //         fathername: "Messiyovich",

            //     }),

            //     (d = {

            //         name: "Illia",

            //         surname: "Kozyr",

            //         fathername: "Sergeevych",

            //     }),

            // ];


            // var str = "<table border='1'>";

            // for (let i = 0; i < 4; i++) {

            //     for (let key in persons[i]) {

            //         str += `<tr><td>${[key]}</td><td>${persons[i][key]}</td></tr>`;

            //     }


            // }

            // str += "</table>";

            // console.log(str);

            // document.write(str);


            // -------------------HTML tr color


            var persons = [

                (a = {

                    name: "Andrey",

                    surname: "Petroff",

                    sex: "Male",

                    fathername: "Akakiyovich",

                }),

                (b = {

                    name: "Anton",

                    surname: "Nikitin",

                    age: "23",

                    fathername: "Ronaldovich",

                }),

                (c = {

                    name: "Artem",

                    surname: "Kozyr",

                    fathername: "Messiyovich",

                }),

                (d = {

                    name: "Illia",

                    surname: "Kozyr",

                    fathername: "Sergeevych",

                }),

            ];


            var str = "<table border='1'>";

            for (let i = 0; i < 4; i++) {

                for (let key in persons[i]) {

                    str += `<tr style="color: red;><td>${[key]}</td><td>${

                        persons[i][key]

                    }</td></tr>`;

                }

            }

            str += "</table>";

            console.log(str);

            document.write(str);

            
            // -------------------destruct array


            // let arr = [1,2,3,4,5, "a", "b", "c"]

            // let [odd1=1%2, even1, odd2, even2, odd3, ...arrr] = [1,2,3,4,5, "a", "b", "c"];


            //--------------------destruct string


            // let arr = [1, "abc"];

            // let [number, [s1, s2, s3]] = arr;


            // --------------------destruct 2


            // let obj = {

            //     name: "Ivan",

            //     surname: "Petrov",

            //     children: [{ name: "Maria" }, { name: "Nikolay" }],

            // };


            // let {

            //     children: [{ name: name1 }, { name: name2 }],

            // } = obj;


            // --------------------destruct 3


            let arr = [1,2,3,4, 5,6,7,10]


            let [a, b, {length = arr.length}] = arr;


        </script>
    </body>
</html>