HM2part2

HW2part2.js

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+//switch: sizes
+
+let color = prompt("Введите размер", "");
+switch (color){
+    case "40": document.write("<div> AmericanSize - 6 </div>");
+        break;
+    case "42": document.write("<div> AmericanSize - 8 </div>");
+                break;
+    case "44": document.write("<div> AmericanSize - 10 </div>");
+        break;
+    case "46": document.write("<div> AmericanSize - 12 </div>");
+        break;
+    case "48": document.write("<div> AmericanSize - 14 </div>");
+        break;
+    case "50": document.write("<div> AmericanSize - 16 </div>");
+        break;
+    case "52": document.write("<div> AmericanSize - 18  </div>");
+        break;
+    case "54": document.write("<div AmericanSize - 20</div>");
+                break;
+    default: document.write("<div> Razmer ne ukazan </div>");
+}
+
+
+//switch: if
+
+let color1 = prompt("Введите цвет", "");
+if (color1 === "red") {
+    document.write("<div style='background-color: red;'>RED</div>");
+}
+else if (color1 === "black") {
+    document.write("<div style='background-color: black; color: white;'>BLACK</div>");
+}
+else if (color1 === "blue") {
+    document.write("<div style='background-color: blue; color: pink;'>BLUE</div>");
+}
+else if (color1 === "green") {
+    document.write("<div style='background-color: black; color: red;'>GREEN</div > ");
+} else {
+    document.write("<div style='background-color: gray;'>Я не понял</div>");
+}
+
+//prompt: or
+
+let year = prompt("Какого года вы рождения?")
+if (year === "" || year === null) {
+    alert("Вы бокопор!")
+}
+else {
+    age = 2022 - year;
+    alert(`Вам ${age} лет`);
+}
+
+//confirm: or this days
+
+
+
+//confirm: if this days
+let question = confirm("На шопинг ?")   //? alert("GO") : alert("Сиди дома");
+if (question === true) {
+    alert("GO") 
+} else {
+    alert("Сиди дома")
+}
+
+
+
+// triple prompt
+let name1 = prompt("Пиши имя");
+let surname = prompt("Пиши фамилию");
+let middleName = prompt("Пиши отчество")
+alert(name1 + " " + surname + " " + middleName);
+
+
+//default: or
+
+let nameDEF = "Vanek";
+let surnameDEF = "Ivanov";
+let middleNameDEF = "Ivanovich";
+
+let name2 = prompt("Пиши имя") || nameDEF;
+let surname2 = prompt("Пиши фамилию") || surnameDEF ;
+let middleName2 = prompt("Пиши отчество") || middleNameDEF;
+
+alert(name2 + " " + surname2 + " " + middleName2);
+
+//default: if
+
+/* let nameDEFo = "Vanek";
+let surnameDEFo = "Ivanov";
+let middleNameDEFo = "Ivanovich";
+
+let name3 = prompt("Пиши имя")
+if (name3 === null || " ") {
+   name3 =  nameDEFo 
+} 
+
+let surname3 = prompt("Пиши фамилию")
+if (surname3 === null || " ") {
+   surname3 =  surnameDEFo
+} 
+
+let middleName3 = prompt("Пиши фамилию")
+if (middleName3 === null || " ") {
+   middleName3 =  surnameDEFo
+}
+alert(name3 + " " + surname3 + " " + middleName3 );  */
+
+debugger
+let nameDEFo = "Vanek";
+let surnameDEFo = "Ivanov";
+let middleNameDEFo = "Ivanovich";
+
+let name3 = prompt("Пиши имя")
+if (name3 === null  ) {
+   name3 =  nameDEFo 
+} else {
+    name3 
+}
+
+let surname3 = prompt("Пиши фамилию")
+if (surname3 === null ) {
+   surname3 =  surnameDEFo
+} else {
+    surname3 
+}
+
+let middleName3 = prompt("Пиши фамилию")
+if (middleName3 === null ) {
+   middleName3 =  surnameDEFo
+} else {
+    middleName3 
+}
+alert(name3 + " " + surname3 + " " + middleName3);   
+
+
+//
+
+
+
+