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@@ -0,0 +1,281 @@
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+// ________html tree_________
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+var body = {
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+ tagName: "body",
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+ subTags: [
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+ {tagName: "div",
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+ subTags : [
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+ {
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+ tagName: "span",
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+ text: "Enter a data please",
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+ },
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+ {
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+ taName: "br/"
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+ },
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+ {
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+ tagName: "input",
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+ attrs: {
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+ type: "text",
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+ id: "name",
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+ },
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+ },
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+ {
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+ tagName: "input",
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+ attrs: {
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+ type: "text",
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+ id: "surname",
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+ },
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+ },
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+ ],
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+ },
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+ {tagName: "div",
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+ subTags: [
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+ {
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+ tagName: "button",
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+ attrs: {
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+ id: "name",
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+ },
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+ text: "ok",
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+ },
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+ {
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+ tagName: "button",
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+ attrs: {
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+ id : "canel",
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+ },
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+ text: "Cancel",
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+ },
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+ ],
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+ },
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+ ],
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+};
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+
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+console.log(body.subTags[1].subTags[1].text);
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+console.log(body.subTags[0].subTags[3].attrs.id);
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+
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+// ________declarative fields_________
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+
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+var person = {
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+ name: prompt("Имя: "),
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+ surname: prompt("Фамилия: "),
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+ married: confirm("Женатый: "),
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+};
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+
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+console.log(person)
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+
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+
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+
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+// // ________object links_________
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+
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+person.smartphone = {nameDevice: "Iphone 11"}, person.laptop = {nameDevice: "Lenovo ideapad"}
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+person.smartphone.owner = person;
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+person.laptop.owner = person;
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+console.log(person.smartphone.owner.laptop.owner.smartphone === person.smartphone);
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+
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+// ________imperative array fill 3_________
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+
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+arr = [+prompt("input number 1"), +prompt("input number 2"), +prompt("input number 3")];
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+console.log(arr);
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+
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+// // ________while confirm_________??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
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+
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+for(;;){
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+ alert("Выполняется безконечный цикл!!!");
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+ let stop1 = confirm("Прекратить выполнеие цикла?");
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+ if(stop1 === true){
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+ alert("Выполнение цикла прекращено");
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+ break;
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+ }
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+}
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+
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+
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+// // ________array fill_________
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+
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+let array1 = [];
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+for(let i = 0; ;){
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+ let element = prompt("Введите число или нажмите Отмена")
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+ if(element === null){
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+ alert("Выполнение цикла прекращено");
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+ break;
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+ }
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+ array1.push(element);
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+}
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+console.log(array1)
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+
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+
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+// // ________array fill nopush_________,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,.
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+
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+let array2 = [];
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+
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+for(let i = 0;;i++){
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+ let element2 = prompt("Введите число или нажмите Отмена")
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+ if(element2 === null){
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+ alert("Выполнение цикла прекращено");
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+ break;
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+ }
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+ else{
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+ array2[i] = element2;
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+ }
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+}
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+console.log(array2)
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+
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+
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+// // ________infinite probability_________
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+ for(let i = 1; ;i++){
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+ let stopnum = Math.random()*(1.3);
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+ if(stopnum > 0.9){
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+ alert(`Выполнение цикла прекращено!\nК-во итераций = ${i}, Читсло остановки = ${stopnum}`);
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+ break;
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+ }
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+ }
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+
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+
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+// ________empty loop_________
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+let choice
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+for(;choice !== null;choice = prompt("Продолжить выполнения цикла?")){
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+
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+}
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+
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+// // ________progression sum_________
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+
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+let sum = 0;
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+let maximum = +prompt("Введите максимальное число прогрессии")
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+for (let i = 1; i < maximum; i += 3){
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+ sum += i;
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+}
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+alert(`${sum}`);
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+
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+
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+// // ________chess one line_________
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+let line = "";
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+let sizeLine = +prompt("Введите длину строки: ")
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+for(let i = 0; i < sizeLine; i++){
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+ if(i % 2 === 1){
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+ line += "#";
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+ }
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+ else{
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+ line += " ";
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+ }
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+}
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+console.log(line)
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+
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+// // ________numbers_________
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+let string = '';
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+for (let i = 0; i < 10; i++){
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+ for(let j = 0; j < 10; j++){
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+ string += j;
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+ }
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+ string += '\n';
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+}
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+console.log(string);
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+
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+
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+// // ________chess_________
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+
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+let chess = '';
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+for (let i = 0; i < 10; i++){
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+ for(let j = 0; j < 12; j++){
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+ if(i % 2 === 0){
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+ if(j % 2 === 1){
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+ chess += "#";
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+ }
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+ else{
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+ chess += ".";
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+ }
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+ }
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+ else{
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+ if(j % 2 === 0){
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+ chess += "#";
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+ }
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+ else{
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+ chess += ".";
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+ }
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+ }
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+ }
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+ chess += '\n';
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+}
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+console.log(chess);
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+
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+
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+
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+// // ________cubes_________
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+let cubes = [];
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+let n = +prompt("Ведите максимально число: ");
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+for (let i = 0; i <= n; i++){
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+ cubes[i] = Math.pow(i, 3);
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+}
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+console.log(cubes)
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+
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+
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+// // ________multiply table_________
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+var multTable = [];
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+for (var i = 1; i <= 9; i++) {
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+ multTable[i] = [];
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+ for (var j = 1; j <= 9; j++) {
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+ multTable[i][j] = i * j;
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+ }
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+}
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+console.log(multTable)
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+
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+
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+// // ________matrix to html table_________
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+
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+var multTable = [];
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+let str = "<table border = '1'>"
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+for (var i = 1; i <= 10; i++) {
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+ str += "<tr>"
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+ multTable[i] = [];
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+ for (var j = 1; j <= 10; j++) {
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+ multTable[i][j] = i * j;
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+ str += `<td> ${multTable[i][j]} </td>`
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+ }
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+ str += "</tr>"
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+}
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+str += "</table>"
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+document.write(str)
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+
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+// Или так
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+
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+// // window.onload = function() {
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+// // var newTable = document.createElement("table");
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+// // for (var i = 1; i <= 10; i++) {
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+// // var newRow = newTable.insertRow(i-1)
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+// // for (var j = 1; j <= 10; j++) {
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+// // var newCell = newRow.insertCell(j-1);
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+
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+// // newCell.innerHTML = i * j;
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+// // }
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+// // }
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+// // document.body.appendChild(newTable)
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+// // }
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+
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+// // window.onload = function() {
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+// // var newTable = document.createElement("table");
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+// // for (var i = 1; i <= 10; i++) {
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+// // var newRow = newTable.insertRow(i-1)
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+// // for (var j = 1; j <= 10; j++) {
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+// // var newCell = newRow.insertCell(j-1);
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+
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+// // newCell.innerHTML = i * j;
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+// // }
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+// // }
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+// // document.body.appendChild(newTable)
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+// // }
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+
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+
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+// // ________Задание на синий пояс: треугольник_________
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+var i = 0, j = 0;
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+
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+var max = 6;
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+var space = "",
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+ star = "";
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+
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+while (i <= max) {
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+ space = "";
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+ star = "";
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+ for (j = 0; j < max - i; j++) space += ".";
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+ for (j = 0; j < 2 * i + 1; j++) star += "#";
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+ console.log(space + star + space);
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+ i++;
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+}
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+
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+
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+
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