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+// declarative fields
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+var notebook = {
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+ brand: prompt("Enter brand notebook "),
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+ type: prompt("Enter type notebook "),
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+ model: prompt("Enter model notebook "),
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+ ram: +prompt("Enter brand notebook "),
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+ size: prompt("Enter size notebook "),
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+ weight:+prompt("Enter weight notebook "),
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+ resolution: {
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+ width: +prompt("Enter width notebook "),
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+ height: +prompt("Enter height notebook "),
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+ },
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+};
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+var phone = {
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+ brand: prompt("Enter brand phone "),
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+ model: prompt("Enter model phone "),
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+ ram: +prompt("Enter ram phone "),
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+ color: prompt("Enter color phone "),
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+};
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+
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+var person = {
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+ name: prompt("Enter a name"),
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+ surname: prompt("Enter a surname"),
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+ married: confirm("married"),
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+}
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+
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+// object links
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+person.smartphone = phone;
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+person.laptop = notebook;
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+phone.owner = person;
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+notebook.owner = person;
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+person.smartphone.owner.laptop.owner.smartphone == person.smartphone
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+// true
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+
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+// imperative array fill 3
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+let arr = []
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+for (let i = 0; i < 3; i++) {
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+ arr[i] = prompt("")
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+}
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+
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+// while confirm
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+let k
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+for(i=0; ;i++){
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+ k = confirm("")
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+ if(k==false){
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+
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+ }else if(k==true){
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+ break;
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+ }
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+}
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+
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+// array fill
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+// Создайте пустой массив и добавляйте в него элементы, пока пользователь не нажмет Отмена в очередном prompt. Используйте push для удобства: push
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+// let arr =[]
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+// for(i=0; ;i++){
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+// k = arr.push(prompt(""));
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+// if(k==String){
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+
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+// }else if(k==null){
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+// break;
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+// }
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+// }
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+
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+// infinite probability
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+
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+let k = 0;
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+let m=0;
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+for(let i =0; ;i++){
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+ k++
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+ m = Math.random();
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+ if(m>0.9){
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+ break;
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+ }
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+
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+}
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+alert(k)
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+
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+// progression sum
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+// Подсчитать сумму арифметической прогрессии от 1 до N c шагом 3 (1,4,7....) используя цикл for.
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+let n = prompt("")
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+for(i =3;i<n;i++){
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+ console.log(i)
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+}
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+
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+// numbers
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+// Сформировать строку c помощью вложенных циклов. Для перевода строки используйте \n.
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+ni=10
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+for(let i =0;i<ni;i++){
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+ console.log(i)
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+ /n
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+}
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