function get_strlen(str) { var n=0; for( i=0;i4) n+=1; else if(c=='\n') { if(str.charAt(i-1) != '\r') n +=1; } else if(c =='' ) n+=4; else n+=1; } return n; } // Hangul character count function function getHangulCharCount(str) { let count = 0; for (let i = 0; i = 0xac00 && charCode