method of static class JsNgram

Description

Convert text into two by two character array .

Example
JsNgram.cutString2by2('01234567');
// returns ['01', '23', '45', '67']
      
Usage

cutString2by2(text);

Argument text is expected as a unicode hex string of a text. This is used to generate a file name of json from a keyword to search.