added HW4

HW4/index.html

@@ -5,7 +5,7 @@
   <meta charset="UTF-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>HW3</title>
+  <title>HW4</title>
 
 </head>
 

HW4/main.js

@@ -0,0 +1,220 @@
+
+let body = {
+  tagName: 'body',
+  attrs: {},
+  children: [
+    {
+      tagName: 'div',
+      attrs: {},
+      children: [
+        {
+          tagName: 'span',
+          attrs: {},
+          children: ['Enter a date please']
+        },
+        {
+          tagName: 'br',
+          attrs: {}
+        },
+        {
+          tagName: 'input',
+          attrs:
+          {
+            id: 'ok',
+            type: 'text'
+          }
+        },
+        {
+          tagName: 'input',
+          attrs:
+          {
+            id: 'surname',
+            type: 'text'
+          }
+        },
+      ]
+    },
+    {
+      tagName: 'div',
+      attrs: {},
+      children: [
+        {
+          tagName: 'button',
+          attrs:
+          {
+            id: 'ok'
+          },
+          children: ['Ok']
+        },
+        {
+          tagName: 'button',
+          attrs:
+          {
+            id: 'cancel'
+          },
+          children: ['Cancel']
+        }
+      ]
+    }
+  ]
+}
+
+
+let notebook = {
+  brand: prompt("Enter a notebook brand"),
+  type: prompt("Enter a notebook type"),
+  model: prompt("Enter a notebook model"),
+  ram: +prompt("Enter a notebook ram"),
+  size: +prompt("Enter a notebook size"),
+  weight: +prompt("Enter a notebook weight"),
+  resolution: confirm("Full HD?") ? { width: 1920, height: 1080, } : { width: +prompt("Enter a notebook width"), height: +prompt("Enter a notebook height"), }
+};
+let phone = {
+  brand: prompt("Enter a phone brand"),
+  model: prompt("Enter a phone model"),
+  ram: +prompt("Enter a phone ram"),
+  color: prompt("Enter a phone color")
+};
+let person = {
+  name: prompt("Enter a name"),
+  surname: prompt("Enter a surname"),
+}
+person.smartphone = phone;
+person.laptop = notebook;
+notebook.owner = person;
+phone.owner = person;
+
+{
+  let arr = []
+  do {
+    arr[arr.length] = prompt('fiil enter')
+  }
+  while (arr[arr.length - 1] !== null && arr.length !== 3);
+}
+
+while (!confirm("Останови меня"));
+
+
+{
+  let array = []
+  do {
+    array.push(prompt('fill array'))
+  }
+  while (array[array.length - 1] !== null);
+  console.log(array);
+}
+
+{
+  let array2 = []
+  do {
+    array2[array2.length] = prompt('fill array')
+  }
+  while (array2[array2.length - 1] !== null);
+  console.log(array2);
+}
+
+{
+  let random
+  let count = 0;
+  while (random !== -1) {
+    random = Math.random()
+    count++
+    if (random > 0.9) {
+      alert(count)
+      break
+    }
+  }
+}
+
+{
+  let random
+  for (let i = 1; i > 0; i++) {
+    random = Math.random()
+    i++
+    if (random > 0.9) {
+      alert(i)
+      break
+    }
+  }
+}
+
+{
+  while (prompt() !== '');
+}
+
+{
+  let n = 10
+  let sum = 0
+  for (let i = 0, a = 1; i <= n; i++, a = a + 3) {
+    sum += a
+  }
+  console.log(sum)
+}
+
+let arr = ''
+let n = 11
+for (let i = 0; i < n; i++) {
+  n % 2 === 0 ? (i % 2 === 0 ? arr += ' ' : arr += '#') : (i % 2 === 0 ? arr += ' ' : arr += '#')
+}
+console.log(arr);
+
+{
+  let stringNumber = "";
+  for (let i = 0; i <= 9; i++) {
+    for (let j = 0; j <= 9; j++) {
+      stringNumber += j;
+    }
+    stringNumber += "\n";
+  }
+  console.log(stringNumber);
+}
+
+{
+  let chess = "";
+  for (let i = 0; i < 10; i++) {
+    for (let j = 0; j < 12; j++) {
+      i % 2 === 0 ? (j % 2 === 0 ? chess += '.' : chess += '#') : (j % 2 === 0 ? chess += '#' : chess += '.')
+    }
+    chess += "\n";
+  }
+  console.log(chess);
+}
+
+let arrCubNum = []
+let n = 10
+for (let i = 0; i < n; i++) {
+  arrCubNum.push(i * i * i)
+}
+console.log(arrCubNum);
+
+{
+  let multiplyTablleArr = []
+  for (let i = 0; i < 10; i++) {
+    let oneNumberArr = []
+    for (let j = 1; j <= 10; j++) {
+      oneNumberArr[j] = (i + 1) * (j)
+    }
+    multiplyTablleArr[i + 1] = oneNumberArr
+  }
+  console.log(multiplyTablleArr);
+}
+
+
+
+{
+  document.write("<table  style='text-align: center;border-spacing:0;font-size: 16px;border:1px solid #000'>");
+  for (let i = 0; i <= 10; i++) {
+    document.write("<tr style='color:black;border: 1px solid #000'>")
+    if ((i) === 0) {
+      for (let k = 0; k <= 10; k++) {
+        document.write("<th style='background-color:#ececec;color:red;padding:10px; border: 1px solid #000'>" + (k) + "</th>")
+      }
+    } else {
+      for (let j = 0; j <= 10; j++) {
+        j === 0 ? document.write("<th style='background-color:#ececec;color:red;padding:10px; border: 1px solid #000'>" + (i) * (j + 1) + "</th>") : (j === i ? document.write("<th style='padding:10px; border:1px solid #000'>" + (i) * (j) + "</th>") : document.write("<td style='padding:10px; border:1px solid #000'>" + (i) * (j) + "</td>"))
+      }
+    }
+    document.write("</tr >")
+  }
+  document.write("</table>");
+}