SecondHWP2

file.js

@@ -0,0 +1,100 @@
+// switch: sizes
+
+let size = prompt("Enter your ukrainian size");
+switch (size){
+    case "40": document.write("<div>American size - 6</div>");
+                break;
+        case "42": document.write("<div>American size - 8</div>");
+                break;
+        case "44": document.write("<div>American size - 10</div>");
+                break;
+        case "46": document.write("<div>American size - 12</div>");
+                break;
+        case "48": document.write("<div>American size - 14</div>");
+                break;
+        case "": document.write("<div>Size not specified</div>");
+                break;
+        default: document.write("<div>Not a size</div>");
+    }
+
+    // switch: if
+
+    let color = prompt("Введите цвет");
+         if (color === "red") 
+{document.write("<div style='background-color: red;'>red</div>")}
+ else if (color === "black")
+{document.write("<div style='background-color: black; color: white;'>black</div>")}
+    else if (color === "blue") 
+{document.write("<div style='background-color: blue; color: white;'>blue</div>")}
+    else if (color === "green") 
+{document.write("<div style='background-color: green; color: green ;'>green</div>")} else {document.write("<div style='background-color: gray;'>Not a color</div>")}
+ 
+
+    // prompt: or(?)
+
+    let age = prompt('сколько вам лет?');
+if (age === '' || age === null){
+            alert('Error')}
+            else {
+                bornYear = 2022 - age;
+                alert(`Вы ${bornYear} года`)
+            }
+
+            
+        //     confirm: or this days
+
+        let qvest0 = confirm('Shoping?');
+        alert( false || "ты бяка");
+
+        // confirm: if this days
+
+        let qvest = confirm('Shoping?');
+      if (qvest === false){
+          alert('Ты бяка')}
+
+        //   triple prompt
+
+        let name = prompt('Enter your name');
+        let surname = prompt('Enter your surname');
+        let middleName = prompt('Enter your middle name')
+          alert(name + ' ' + surname + ' ' + middleName);
+
+        //   default: or 
+
+        let defName = "Marko";
+        let defSurname = "Volchenko";
+        let defMiddleName = "Alexandrovich";
+        
+        let name1 = prompt("Enter your name") || defName;
+        let surname1 = prompt("Enter your surname") || defSurname ;
+        let middleName1 = prompt("Enter your middle name ") || defMiddleName;
+        
+        alert(name1 + " " + surname1 + " " + middleName1);
+        
+
+        // default: if 
+
+let defName1 = 'Marko';
+ let defSurname1 = 'Volchenko';
+  let defMiddleName1 = 'Alexandrovich';
+   let name2 = prompt("Enter your name")
+    if (name2 === null || " ") {
+     name2 =  defName1}
+      let surname2 = prompt("Enter your surname")
+    if (surname2 === null || " ") {
+     surname2 =  defSurname1}
+       let middleName2 = prompt("Enter your middlename")
+    if (middleName2 === null || " ") {
+     middleName2 =  defMiddleName1}
+        alert( name2 + ' ' + surname2 + ' ' + middleName2);
+        
+        // login and password
+
+
+//         let log =  prompt('Enter login');
+// if (log == 'admin'){let passw = prompt('Enter your password')}
+
+// if (passw == 'qwerty'){alert('Great!')};
+  
+
+// нужно доделать