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start home 8_2

GennadyBerg hace 2 años
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dfa53744fa
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Se han modificado 6 ficheros con 90 adiciones y 143 borrados
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  1. 55 0
      js/08/hw08_10_!CurrencyTable.html
  2. 34 0
      js/08/hw08_11_!Form.html
  3. 0 39
      js/08/hw08_12_ArrayOfObj.html
  4. 0 75
      js/08/hw08_13_Table.html
  5. 0 28
      js/08/hw08_14_Divide.html
  6. 1 1
      js/08/hw08_15_Calc Func.html

+ 55 - 0
js/08/hw08_10_!CurrencyTable.html
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@@ -0,0 +1,55 @@
 
+<header>
 
+    <h1>Currency Table</h1>
 
+</header>
 
+
 
+<body>
 
+    <script>
 
+        const toHtmlTable = (arr) => {
 
+            let str = "<table>";
 
+            for (let arrEl of arr) {
 
+                str += "<tr>";
 
+                for (let val of arrEl) {
 
+                    str += `<td>${val}</td>`;
 
+                }
 
+                str += "</tr>";
 
+            }
 
+            str += "</table>";
 
+            return str;
 
+        }
 
+
 
+        const createCurrencyTable = () => {
 
+            fetch(`https://open.er-api.com/v6/latest/USD`)
 
+                .then(response => response.json())
 
+                .then(data => {
 
+                    const name = 0;
 
+                    const value = 1;
 
+                    arr = Object.entries(data.rates);
 
+                    let arr2 = [];
 
+                    // первичная обработка запроса к серверу
 
+
 
+                    arr2[0] = [];  // открываем массив строки с названиями валют
 
+                    arr2[0][0] = '';
 
+                    for (let i = 0; i < arr.length; i++)
 
+                        arr2[0][i + 1] = arr[i][name];// заполнение оглавления со смещением на позицию
 
+
 
+                    for (let i = 0; i < arr.length; i++) {
 
+                        arr2[i + 1] = [];
 
+                        arr2[i + 1][0] = arr[i][name];
 
+                        currRate1 = arr[i][value]; // заполнение значащих строк из массива пар (имя и кросс) 
+
 
+                        for (let j = 0; j < arr.length; j++) {
 
+                            currRate2 = arr[j][value];
 
+                            crossCurrRate = currRate2 / currRate1;
 
+                            arr2[i + 1][j + 1] = crossCurrRate;
 
+                        }
 
+                    }
 
+
 
+                    document.write(toHtmlTable(arr2));
 
+                });
 
+        }
 
+        createCurrencyTable();
 
+
 
+
 
+    </script>
 
+
 
+</body>

+ 34 - 0
js/08/hw08_11_!Form.html
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@@ -0,0 +1,34 @@
 
+<header>
 
+    <h1>Form</h1>
 
+</header>
 
+
 
+<body>
 
+    <script>
 
+        obj = {
 
+            "Name": "chevrolet chevelle malibu",
 
+            "Cylinders": 8,
 
+            "Displacement": 307,
 
+            "Horsepower": 130,
 
+            "Weight_in_lbs": 3504,
 
+            "Origin": "USA",
 
+            "in_production": false
 
+        };
 
+        const createForm = () => {
 
+            const typesMap = { 'boolean': 'checkbox', 'number': 'number', 'string': 'text' };
 
+            let str = "<form>\n";
 
+            for (var name in obj) {
 
+                value = obj[name];
 
+                type = typeof value;
 
+                htmlType = typesMap[type];
 
+                str += ` <label>${name}: <input type="${htmlType}" value="${value}" /></label>\n`;
 
+            }
 
+            str += "</form>";
 
+            return str;
 
+        }
 
+        
+        str = createForm(obj);
 
+        document.write(str);
 
+        alert(str);
 
+    </script>
 
+
 
+</body>

+ 0 - 39
js/08/hw08_12_ArrayOfObj.html
Ver fichero 

@@ -1,39 +0,0 @@
 
-<header>
 
-    <h1>ArreyOfObject</h1>
 
-</header>
 
-
 
-<body>
 
-    <script>
 
-        const toHtmlTable = (arr) => {
 
-            let str = "<table>";
 
-            for (let arrEl of arr) {
 
-                str += "<tr>";
 
-                for (let val of arrEl) {
 
-                    str += `<td>${val}</td>`;
 
-                }
 
-                str += "</tr>";
 
-            }
 
-            str += "</table>";
 
-            return str;
 
-        }
 
-        var persons = [
 
-            { name: "Иван", age: 17 },
 
-            { name: "Мария", age: 35 },
 
-            { name: "Алексей", age: 73 },
 
-            { name: "Яков", age: 12 },
 
-        ]
 
-        /*a   b   comp<    asc     res
 
-        1   2   true    false   false
 
-        2   1   false   false   true
 
-        
-        1   2   true    true   true
 
-        2   1   false   true   false*/
 
-        const sort = (arr, name, asc = true) =>
 
-            arr.sort((a, b) => (a[name] < b[name]) == asc ? -1 : 1);
 
-        sort(persons, "age"); //сортирует по возрасту по возрастанию
 
-        document.write(toHtmlTable(persons.map(p => Object.entries(p))));
 
-        sort(persons, "name", false); //сортирует по имени по убыванию
 
-        document.write(toHtmlTable(persons.map(p => Object.entries(p))));
 
-    </script>
 
-
 
-</body>

+ 0 - 75
js/08/hw08_13_Table.html
Ver fichero 

@@ -1,75 +0,0 @@
 
-<header>
 
-    <h1>Literals</h1>
 
-</header>
 
-
 
-<body>
 
-    <script>
 
-        
-    </script>
 
-
 
-</body>
 
-
 
-var arr = [
 
-            {
 
-                "Name": "chevrolet chevelle malibu",
 
-                "Cylinders": 8,
 
-                "Displacement": 307,
 
-                "Horsepower": 130,
 
-                "Weight_in_lbs": 3504,
 
-                "Origin": "USA"
 
-            },
 
-            {
 
-                "Name": "buick skylark 320",
 
-                "Miles_per_Gallon": 15,
 
-                "Cylinders": 8,
 
-                "Displacement": 350,
 
-                "Horsepower": 165,
 
-                "Weight_in_lbs": 3693,
 
-                "Acceleration": 11.5,
 
-                "Year": "1970-01-01",
 
-            },
 
-            {
 
-                "Miles_per_Gallon": 18,
 
-                "Cylinders": 8,
 
-                "Displacement": 318,
 
-                "Horsepower": 150,
 
-                "Weight_in_lbs": 3436,
 
-                "Year": "1970-01-01",
 
-                "Origin": "USA"
 
-            },
 
-            {
 
-                "Name": "amc rebel sst",
 
-                "Miles_per_Gallon": 16,
 
-                "Cylinders": 8,
 
-                "Displacement": 304,
 
-                "Horsepower": 150,
 
-                "Year": "1970-01-01",
 
-                "Origin": "USA"
 
-            },
 
-        ]
 
-        names = Object
 
-            .entries(
 
-                arr.reduce(
 
-                    (prev, next) => {
 
-                        return { ...prev, ...next };
 
-                    }
 
-                ))
 
-            .map(entry => entry[0]);
 
-        str = "<table>";
 
-        str += "<tr>" +
 
-            names
 
-                .map(name => `<td>${name}</td>`)
 
-                .join('') +
 
-            "</tr>";
 
-        str +=
 
-                arr
 
-                    .map(obj => 
-                        `<tr>${
 
-                            names
 
-                                .map(name => `<td>${obj[name] || "-"}</td>`)
 
-                                .join('')
 
-                        }</tr>`)
 
-                    .join('');
 
-        str += "</table>";
 
-
 
-        document.write(str)

+ 0 - 28
js/08/hw08_14_Divide.html
Ver fichero 

@@ -1,28 +0,0 @@
 
-<header>
 
-    <h1>Literals</h1>
 
-</header>
 
-
 
-<body>
 
-    <script>
 
-        
-    </script>
 
-
 
-</body>
 
-
 
-
 
-<input type='number' id="firstNumber" />
 
-<input type='number' id="secondNumber" />
 
-<div id="divisionResult">
 
-    текст в div
 
-</div>
 
-<script>
 
-    const calcResult = () => {
 
-        console.log(firstNumber.value, secondNumber.value, divisionResult.innerHTML)
 
-        divisionResult.innerHTML = "Текст в <code>div</code> поменян с помощью <strong>Javascript</strong><br/>" + Math.random()
 
-    }
 
-    
-    firstNumber.oninput = secondNumber.oninput = calcResult
 
-</script>
 
-
 
-
 
-

+ 1 - 1
js/08/hw08_15_Calc Func.html
Ver fichero 

@@ -1,5 +1,5 @@
 
 <header>
 
-    <h1>Literals</h1>
 
+    <h1>CalcFunc</h1>
 
 </header>
 
 
 <body>