Javascript

Hello World

• Hello - Javascript

Объявление переменных

• JavaScript reference - Statements and declarations - var

1 var x = 1;
2 var y = 3.5;
3 var ready = true;
4 var name = 'Oleg';
5 var age = [3, 15, 21, 35, 7];
6 var car = {'brand': 'Volvo', 'model': 'XC90', age: 3.5, price: 'priceless'};

Ввод и вывод

1 var age = prompt("Please, enter your age:");
2 alert("Your age = " + age);

Условный оператор

1 var age = prompt("Please, enter your age:");
2 if (age > 65)
3 {
4     alert("Here is your pension.");
5 }
6 else
7 {
8     alert("Good morning people!");
9 }

Циклы

 1 alert("while loop\n");
 2 int i = 1;
 3 while (i < 11)
 4 {
 5     alert(i);
 6     i++;
 7 }
 8 
 9 alert("do while loop\n");
10 i = 1;
11 do
12 {
13     alert(i);
14     i++;
15 } while (i < 11);
16 
17 alert("for loop\n");
18 for (int j = 1; j < 11; j++)
19 {
20     alert(j);
21 }