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- <meta charset="utf-8">
- <script>
- var Arr = [1, 2, 3, 4, 5];
- var n = Arr.length;
- var newelement = 6;
- function Pushqueue (Arr) {
- Arr.lenght = n + 1;
- n = n + 1;
- Arr [n - 1] = newelement;
- }
- Pushqueue (Arr);
- alert (Arr);
- n = Arr.length;
- function Popqueue (Arr) {
- for (var i = 0; i < (n - 1); i++) {
- Arr[i] = Arr[i + 1];
- }
- Arr[n - 1] = undefined;
- Arr.length = n - 1;
- n = Arr.length;
- }
- Popqueue (Arr);
- alert (Arr);
- n = Arr.length;
- function Headqueve (Arr) {
- var head = Arr[0];
- alert (head);
- }
- Headqueve (Arr);
- function Emptyqueue (Arr) {
- var head1 = Arr[0];
- if (head1 == undefined) {
- alert ("Очередь пуста.");
- }
- else {
- alert ("Первое значение в очереди равно " + Arr[0]);
- }
- }
- Emptyqueue (Arr);
- Popqueue (Arr);
- Popqueue (Arr);
- Popqueue (Arr);
- Popqueue (Arr);
- Popqueue (Arr);
- Emptyqueue (Arr);
- </script>
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