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@@ -58,7 +58,7 @@ let newArray = array.map(function (num) {
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return num
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})
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-//console.log(newArray)
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+console.log(newArray)
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//Array reduce
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@@ -75,4 +75,133 @@ let result = reduceArray.reduce(function(a, b){
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}
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return a
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})
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-console.log(result)
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+console.log(result)
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+
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+
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+////Array filter
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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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+
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+
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+
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+
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+function filter(obj, funk) {
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+ let rest = {}
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+ for (let key in obj){
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+ if (funk(key, obj[key])){
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+ rest[key] = obj[key]
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+ }
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+ }
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+ return rest
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+}
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+console.log(filter(phone,(key,value) => key == "color" || value == 2));
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+
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+
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+///Array map
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+
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+function map(obj, funk) {
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+
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+ let newObj = {}
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+ for (let key in obj){
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+ let temp = funk(key, obj[key]);
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+
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+ for(let _key in temp) {
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+ newObj[_key] = temp[_key];
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+ }
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+
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+ }
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+ return newObj
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+
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+}
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+
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+
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+console.log(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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+}))
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+
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+////Sum
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+//Не поняла точно задания, потому написала два варианта
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+
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+function sumRecurs(a, b, c){
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+
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+ a += b;
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+ if(a < c) {
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+ return sumRecurs(a, b, c)
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+ }
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+ return a
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+
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+}
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+console.log(sumRecurs(2, 4, 16))
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+
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+
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+function sumRecurs2 (a, b, c) {
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+
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+ if(c > 0) {
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+ a += b;
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+ c = c - 1
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+ return sumRecurs2(a, b, c)
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+ }
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+ return a
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+
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+}
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+
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+console.log(sumRecurs2(2, 4, 5))
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+
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+
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+//toHtml
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+///уже вроде делала
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+var someTree = {
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+ tagName: "table", //html tag
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+ subTags: [ //вложенные тэги
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+ {
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+ tagName: "tr",
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+ subTags: [
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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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+function toHtml(obj) {
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+ debugger
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+
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+ var element = document.createElement(obj.tagName);
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+
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+ if (obj.text) {
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+ element.innerHTML = obj.text
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+ }
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+
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+ if (obj.attrs) {
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+ for (let key in obj.attrs) {
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+ element[key] = obj.attrs[key]
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+ }
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+ }
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+
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+ if (obj.subTags) {
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+ for (let i = 0; i < obj.subTags.length; i++) {
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+ element.appendChild(toHtml(obj.subTags[i]));
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+ }
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+ }
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+
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+ return element;
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+}
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+ //document.body.appendChild(toHtml(someTree));
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