Created
May 8, 2014 10:43
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Функция - создающая строковый буфер средствами джаваскрипт, имеющая метод очистки.
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>реализовать строковый буфер на функциях в JavaScript</title> | |
| </head> | |
| <body> | |
| <script> | |
| 'Use strict' | |
| function makeBuffer(){ | |
| var stringBuffer = ""; | |
| function buffer (value){ | |
| if (value !== undefined){ | |
| return stringBuffer += value; | |
| } | |
| return stringBuffer; | |
| } | |
| buffer.clear = function(){ | |
| stringBuffer = ""; | |
| } | |
| return buffer; | |
| } | |
| var buffer = makeBuffer(); | |
| buffer(0); | |
| buffer.clear(); | |
| alert( buffer() ); | |
| buffer(1); | |
| buffer(0); | |
| // добавить значения к буферу | |
| //buffer('Замыкания'); | |
| //buffer(' Использовать'); | |
| //buffer(' Нужно!'); | |
| // получить текущее значение | |
| alert( buffer() ); // Замыкания Использовать Нужно! | |
| </script> | |
| </body> | |
| </html> |
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