|
|
@@ -0,0 +1,226 @@
|
|
|
+// 3 persons
|
|
|
+// Сделать три ассоциативных массива a, b, c, в каждом из которых должны быть поля name и surname.
|
|
|
+// // +
|
|
|
+// // different fields
|
|
|
+
|
|
|
+let first = {
|
|
|
+ name: "Lotos",
|
|
|
+ surname: "White",
|
|
|
+ age: 39,
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+let second = {
|
|
|
+ name: "Viktorov",
|
|
|
+ surname: "Viktorov",
|
|
|
+ sex: 'male',
|
|
|
+
|
|
|
+}
|
|
|
+
|
|
|
+let third = {
|
|
|
+ name: "Alla",
|
|
|
+ surname: "Petrofanova",
|
|
|
+ patronymic: "Viktorovna",
|
|
|
+
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+// // fields check
|
|
|
+
|
|
|
+// // Проверьте наличие необязательных полей у каждого из этих массивов. Если поле найдено, выведите его с помощью alert. Проверку делайте по typeof или in в if.
|
|
|
+
|
|
|
+if ("age" in first){
|
|
|
+ alert(first.age)
|
|
|
+}
|
|
|
+
|
|
|
+if ("patronymic" in third){
|
|
|
+ alert(third.patronymic)
|
|
|
+}
|
|
|
+
|
|
|
+if ("sex" in second){
|
|
|
+ alert(second.sex)
|
|
|
+}
|
|
|
+
|
|
|
+// // array of persons
|
|
|
+
|
|
|
+
|
|
|
+let personsFirst = [first, second, third, {name: 'Michael', surname: 'Phelps'}];
|
|
|
+
|
|
|
+// console.log(persons);
|
|
|
+
|
|
|
+// loop of persons
|
|
|
+
|
|
|
+
|
|
|
+for(let persons of personsFirst) {
|
|
|
+ // console.log(persons)
|
|
|
+}
|
|
|
+
|
|
|
+// // loop of name and surname
|
|
|
+// // Сделайте цикл, который выводит весь массив persons, но только Имя и Фамилию каждой персоны.
|
|
|
+
|
|
|
+// for(let person of personsFirst) {
|
|
|
+// console.log(person.name, person.surname);
|
|
|
+// }
|
|
|
+
|
|
|
+
|
|
|
+// loop of loop of values
|
|
|
+
|
|
|
+
|
|
|
+// for (let person of personsFirst) {
|
|
|
+
|
|
|
+// for (let value in person) {
|
|
|
+// console.log(person[value]);
|
|
|
+// }
|
|
|
+// }
|
|
|
+
|
|
|
+// fullName--------------------
|
|
|
+
|
|
|
+// for (let person of personsFirst) {
|
|
|
+// someResult = person.name + ' ' + person.surname;
|
|
|
+
|
|
|
+// if("fathername" in person) {
|
|
|
+// someResult += ' ' + person.fathername;
|
|
|
+// }
|
|
|
+
|
|
|
+// };
|
|
|
+// console.log(personsFirst)
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+// serialize
|
|
|
+// Создайте JSON-строку из persons
|
|
|
+
|
|
|
+// let personChange = JSON.stringify(personsFirst);
|
|
|
+
|
|
|
+// console.log(personChange);
|
|
|
+// console.log(typeof personChange);
|
|
|
+
|
|
|
+
|
|
|
+// deserialize
|
|
|
+// Создайте ассоциативный массив с одной персоной из JSON-строки. Добавьте её в persons
|
|
|
+
|
|
|
+// let personDeserialize = JSON.parse(personChange)[0];
|
|
|
+// personsFirst.push(personDeserialize);
|
|
|
+// console.log(personsFirst);
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+// HTML
|
|
|
+
|
|
|
+// let str = "<table border='1'>"
|
|
|
+// for (let persons of personsFirst){
|
|
|
+// str += `<tr><td>${persons.name}</td><td>${persons.surname}</td></tr> \n`
|
|
|
+// }
|
|
|
+// str += "</table>"
|
|
|
+
|
|
|
+// console.log(str)
|
|
|
+// document.write(str)
|
|
|
+
|
|
|
+// HTML optional fields + tr color + th optional
|
|
|
+
|
|
|
+// Сделайте цикл, который выводит весь массив persons, в форме HTML-таблицы. Имя и Фамилия, а так же другие поля при наличии. Колонки: поля, строки таблицы - персоны.
|
|
|
+
|
|
|
+
|
|
|
+// let str = "<table style='border: 1px solid black'><tr>"
|
|
|
+// let index = 0;
|
|
|
+// let newArr = [];
|
|
|
+
|
|
|
+// for (let person of personsFirst ) {
|
|
|
+// index += 1;
|
|
|
+
|
|
|
+// for (let value1 in Object.keys(person)) {
|
|
|
+// if (!newArr.includes(Object.keys(person)[value1])){
|
|
|
+// newArr.push(Object.keys(person)[value1]);
|
|
|
+// };
|
|
|
+// };
|
|
|
+// };
|
|
|
+
|
|
|
+// for (let i = 0; i < newArr.length; i++) {
|
|
|
+// str += `<tr><th style="border: 1px solid black">${newArr[i].toLowerCase()}</tr>`
|
|
|
+
|
|
|
+// for (let k = 0; k < personsFirst.length; k++) {
|
|
|
+// for(let value1 in personsFirst[k]) {
|
|
|
+// if(value1 === newArr[i]){
|
|
|
+// str += `<td style='border: 1px solid black'>${personsFirst[k][value1]}</td>`;
|
|
|
+// }
|
|
|
+// }
|
|
|
+// }
|
|
|
+// }
|
|
|
+
|
|
|
+
|
|
|
+
|
|
|
+// let str = "<table style='border: 4mm ridge rgba(56, 255, 109, .6);background-color: #FF8F1B;background-image: linear-gradient(334deg, #2ab3ff,#ff2d00);' ><tr>"
|
|
|
+// let index = 0;
|
|
|
+// const newArr = [];
|
|
|
+
|
|
|
+// for (const person of personsFirst) {
|
|
|
+
|
|
|
+// index += 1;
|
|
|
+
|
|
|
+// for (const key in Object.keys(person)) {
|
|
|
+
|
|
|
+// if (!newArr.includes(Object.keys(person)[key])) {
|
|
|
+// newArr.push(Object.keys(person)[key]);
|
|
|
+// };
|
|
|
+// };
|
|
|
+
|
|
|
+// };
|
|
|
+
|
|
|
+// for (let i = 0; i < newArr.length; i++) {
|
|
|
+
|
|
|
+// str += `<tr><th style="border: 2px solid black; background-color: rgba(255, 143, 27, 0.6);;
|
|
|
+// background-image: linear-gradient(to left, #2ab3ff,#F7F7F7, #ff2d00);">${newArr[i].toUpperCase()}</th>`
|
|
|
+
|
|
|
+// for (let k = 0; k < personsFirst.length; k++) {
|
|
|
+
|
|
|
+// for (const key in personsFirst[k]) {
|
|
|
+
|
|
|
+// if (key === newArr[i]) {
|
|
|
+
|
|
|
+// str += `<td style='border: 3px solid black; background-color: #F7F7F7;background-image: linear-gradient(to left, #2ab3ff,white,#F7F7F7, #ff100099);'>${personsFirst[k][key]}</td>`;
|
|
|
+
|
|
|
+// };
|
|
|
+// };
|
|
|
+// };
|
|
|
+// };
|
|
|
+
|
|
|
+// str += "</table>"
|
|
|
+// document.write(str)
|
|
|
+
|
|
|
+
|
|
|
+// destruct array---------
|
|
|
+
|
|
|
+
|
|
|
+// let arr = [1,2,3,4,5, "a", "b", "c"];
|
|
|
+
|
|
|
+// let [odd1,even1,odd2,even2,odd3, ...letters] = arr;
|
|
|
+
|
|
|
+// alert(letters);
|
|
|
+
|
|
|
+// destruct string-------------
|
|
|
+
|
|
|
+// let arr = [1, "abc"];
|
|
|
+
|
|
|
+// let [number, [s1,s2,s3]] = arr;
|
|
|
+
|
|
|
+// alert(s1+" "+s2+" "+s3);
|
|
|
+
|
|
|
+
|
|
|
+// destruct 2---------------
|
|
|
+
|
|
|
+// let obj = {nameA: 'Ivan',
|
|
|
+// surname: 'Petrov',
|
|
|
+// children: [{name: 'Maria'}, {name: 'Nikolay'}]}
|
|
|
+
|
|
|
+// let = {nameA,surname,children:[{name :name1}, {name: name2}]} = obj;
|
|
|
+
|
|
|
+// alert(name2);
|
|
|
+
|
|
|
+// destruct 3------------------
|
|
|
+
|
|
|
+// let arrDe3 = [1,2,3,4, 5,6,7,10]
|
|
|
+
|
|
|
+// let {0:n1, 1:n2, length} = arrDe3
|
|
|
+// alert("n1 = " +n1 + " n2 = " + n2 + " length = " + length)
|
