lib/browser-adapters.js
function str2ab(stringToEncode, insertBom) {
      stringToEncode = stringToEncode.replace(/\r\n/g,"\n");

      var utftext = []
        , n
        , c
        ;

      if (true === insertBom)  {
        utftext[0] =  0xef;
        utftext[1] =  0xbb;
        utftext[2] =  0xbf;
      }

      for (n = 0; n < stringToEncode.length; n += 1) {

        c = stringToEncode.charCodeAt(n);

        if (c < 128) {
            utftext[utftext.length]= c;
        }
        else if((c > 127) && (c < 2048)) {
            utftext[utftext.length] = (c >> 6) | 192;
            utftext[utftext.length] = (c & 63) | 128;
        }
        else {
            utftext[utftext.length] = (c >> 12) | 224;
            utftext[utftext.length] = ((c >> 6) & 63) | 128;
            utftext[utftext.length] = (c & 63) | 128;
        }

      }
      return new Uint8Array(utftext).buffer;
    }
function str2ab(stringToEncode, insertBom) {
      stringToEncode = stringToEncode.replace(/\r\n/g,"\n");

      var utftext = []
        , n
        , c
        ;

      if (true === insertBom)  {
        utftext[0] =  0xef;
        utftext[1] =  0xbb;
        utftext[2] =  0xbf;
      }

      for (n = 0; n < stringToEncode.length; n += 1) {

        c = stringToEncode.charCodeAt(n);

        if (c < 128) {
            utftext[utftext.length]= c;
        }
        else if((c > 127) && (c < 2048)) {
            utftext[utftext.length] = (c >> 6) | 192;
            utftext[utftext.length] = (c & 63) | 128;
        }
        else {
            utftext[utftext.length] = (c >> 12) | 224;
            utftext[utftext.length] = ((c >> 6) & 63) | 128;
            utftext[utftext.length] = (c & 63) | 128;
        }

      }
      return new Uint8Array(utftext).buffer;
    }
function str2ab ( stringToEncode , insertBom ) { stringToEncode = stringToEncode . replace ( / \r\n / g , "\n" ) ; var utftext = [ ] , n , c ; if ( true === insertBom ) { utftext [ 0 ] = 0xef ; utftext [ 1 ] = 0xbb ; utftext [ 2 ] = 0xbf ; } for ( n = 0 ; n < stringToEncode . length ; n += 1 ) { c = stringToEncode . charCodeAt ( n ) ; if ( c < 128 ) { utftext [ utftext . length ] = c ; } else if ( ( c > 127 ) && ( c < 2048 ) ) { utftext [ utftext . length ] = ( c >> 6 ) | 192 ; utftext [ utftext . length ] = ( c & 63 ) | 128 ; } else { utftext [ utftext . length ] = ( c >> 12 ) | 224 ; utftext [ utftext . length ] = ( ( c >> 6 ) & 63 ) | 128 ; utftext [ utftext . length ] = ( c & 63 ) | 128 ; } } return new Uint8Array ( utftext ) . buffer ; }
convert from string to arraybuffer
convert from string to arraybuffer