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@@ -1,18 +1,98 @@
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-var persons = [
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- { name: "Иван", age: 17 },
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- { name: "Мария", age: 35 },
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- { name: "Алексей", age: 73 },
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- { name: "Яков", age: 12 },
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-]
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+// var persons = [
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+// { name: "Иван", age: 17 },
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+// { name: "Мария", age: 35 },
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+// { name: "Алексей", age: 73 },
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+// { name: "Яков", age: 12 },
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+// ]
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-const sort = (obj, param, ascending = true) => obj.sort((a, b) => ascending ? (a[param] > b[param] ? 1 : -1) : (a[param] < b[param] ? 1 : -1))
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+// const sort = (obj, param, ascending = true) => obj.sort((a, b) => ascending ? (a[param] > b[param] ? 1 : -1) : (a[param] < b[param] ? 1 : -1))
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-// console.log(sort(persons, "name", false)); //сортирует по имени по убыванию
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-// console.log(sort(persons, "age", true)); //сортирует по возрасту по возрастанию
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+// // console.log(sort(persons, "name", false)); //сортирует по имени по убыванию
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+// // console.log(sort(persons, "age", true)); //сортирует по возрасту по возрастанию
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-let arrayMap = ["1", {}, null, undefined, "500", 700]
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-let newArray = arrayMap.map(t => t === String(t) ? +t : t)
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+// let arrayMap = ["1", {}, null, undefined, "500", 700]
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+// let newArray = arrayMap.map(t => t === String(t) ? +t : t)
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-let arrayrReduce = ["0", 5, 3, "string", null]
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-let newarrayrReduce = arrayrReduce.reduce((a = 0, b) => typeof b === 'number' ? a * b : a, 1)
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+// let arrayrReduce = ["0", 5, 3, "string", null]
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+// let newarrayrReduce = arrayrReduce.reduce((a = 0, b) => typeof b === 'number' ? a * b : a, 1)
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+
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+
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+// var phone = {
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+// brand: "meizu",
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+// model: "m2",
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+// ram: 2,
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+// color: "black",
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+// };
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+
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+// function filter(obj, callback) {
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+// let result = {}
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+// for (const [key, value] of Object.entries(obj)) {
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+// if (callback(key, value)) {
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+// result[key] = value
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+// }
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+// }
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+// return result
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+// }
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+
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+// filter(phone, (key, value) => key == "color" || value == 2)
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+
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+
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+// function map(obj, callback) {
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+// let result = {}
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+// for (const [key, value] of Object.entries(obj)) {
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+// result = { ...result, ...callback(key, value) }
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+// }
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+// return result
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+// }
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+
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+// map({ name: "Иван", age: 17 }, function (key, value) {
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+// var result = {};
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+// result[key + "_"] = value + "$";
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+// return result;
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+// }) //должен вернуть {name_: "Иван$", age_: "17$"}
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+
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+
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+// const arProgression = n => n <= 1 ? 1 : n + arProgression(n - 1)
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+
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+var someTree = {
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+ tagName: "table", //html tag
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+ children: [ //вложенные тэги
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+ {
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+ tagName: "tr",
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+ children: [
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+ {
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+ tagName: "td",
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+ text: "some text",
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+ },
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+ {
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+ tagName: "td",
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+ text: "some text 2",
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+ }
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+ ]
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+ }
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+ ],
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+ attrs:
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+ {
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+ border: 1,
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+ },
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+}
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+
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+
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+let table = ''
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+walk(someTree)
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+function walk(obj) {
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+ debugger
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+ for (var deep in obj) {
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+ if (typeof (obj[deep]) === 'object') {
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+ walk(obj[deep]);
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+ } else {
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+ if (deep === 'tagName') {
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+ table += `<${obj[deep]}>`
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+ } else if (deep === 'text') {
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+ table += `${obj[deep]}`
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+ }
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+ }
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+ }
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+}
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+document.write(table)
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