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@@ -52,7 +52,7 @@ function sort(array, key, increase = true) {
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//-----------------------------------------------------------array map----------------------------------------------------------------------
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-let arrayMap = ["1", {}, null, undefined, "500", 700];
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+let arrayMap = ["1", {}, null, undefined, "500", 700];
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let arrayMap2 = arrayMap.map((item) => {
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if (typeof item == "string") return isNaN(parseInt(item, 10)) ? item : parseInt(item, 10);
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@@ -100,7 +100,7 @@ let someObject = {
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function map(obj) {
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let temp = {};
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for (let i in obj) {
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- temp[i + '_'] = i + '$';
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+ temp[i + '_'] = i + '$';
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}
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return temp;
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}
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@@ -109,16 +109,6 @@ console.log(map(someObject));
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//-----------------------------------------------------------recursion--------------------------------------------------------------------
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-// a1 + function (a1, inc) {
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-// return a1 + inc
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-// }
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-
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-// function arithmeticProgression(num, increment, rows) {
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-// for (let i = 0; i < rows; i++) {
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-// return num + arithmeticProgression(num + increment)
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-// }
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-// }
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-
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function arithmeticProgression(num, increment, rows) {
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if (rows <= 1) {
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return num;
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@@ -128,23 +118,50 @@ function arithmeticProgression(num, increment, rows) {
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console.log(arithmeticProgression(1, 4, 8));
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+//-----------------------------------------------------------HTML Tree--------------------------------------------------------------------
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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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+ 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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+ border: 1,
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+ },
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+}
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function construct(obj) {
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- let node = obj.tagName;
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- if ("attr" in obj) {
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+ let node = document.createElement(obj.tagName);
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+ if ("attrs" in obj) {
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for (let attrName in obj.attrs) {
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- node.setAttribute(attrName, obj.attrs[attrsName])
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+ node.setAttribute(attrName, obj.attrs[attrName])
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}
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}
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- if("subtags" in obj) {
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- for(let child in obj.subtags) {
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- construct(obj.subtags[child]);
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+ if ("children" in obj) {
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+ for (let child in obj.children) {
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+ node.append(construct(obj.children[child]));
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}
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}
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- if("text" in obj) {
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+ if ("text" in obj) {
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node.innerText = obj.text;
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}
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+ return node;
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}
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+
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+document.body.append(construct(someTree));
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+
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+console.log(construct(someTree));
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