function isEmojiCharacter( substring) { for ( var i = 0; i < substring. length; i++) { var hs = substring. charCodeAt( i); if ( 0xd800 <= hs && hs <= 0xdbff) { if ( substring. length > 1) { var ls = substring. charCodeAt( i + 1); var uc = (( hs - 0xd800) * 0x400) + ( ls - 0xdc00) + 0x10000; if ( 0x1d000 <= uc && uc <= 0x1f77f) { return true; } } } else if ( substring. length > 1) { var ls = substring. charCodeAt( i + 1); if ( ls == 0x20e3) { return true; } } else { if ( 0x2100 <= hs && hs <= 0x27ff) { return true; } else if ( 0x2B05 <= hs && hs <= 0x2b07) { return true; } else if ( 0x2934 <= hs && hs <= 0x2935) { return true; } else if ( 0x3297 <= hs && hs <= 0x3299) { return true; } else if ( hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030 || hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b || hs == 0x2b50) { return true; } } } },