将str中的html符号转义,将转义“'，&，<，"，>，”，“”七个字符
/*** 将str中的html符号转义,将转义“'，&，<，"，>，”，“”七个字符* @method unhtml* @param { String } str 需要转义的字符串* @return { String } 转义后的字符串* @example* ```javascript* var html = '<body>&</body>';** //output: <body>&</body>* console.log( UE.utils.unhtml( html ) );** ```*/unhtml: function(str, reg) {return str? str.replace(reg || /[&<">'](?:(amp|lt|ldquo|rdquo|quot|gt|#39|nbsp|#\d+);)?/g,function(a, b) {if (b) {return a;} else {return {"<": "<","&": "&",'"': ""","“": "“","”": "”",">": ">","'": "'"}[a];}}): "";}将str中的转义字符还原成html字符
/*** 将str中的转义字符还原成html字符* @see UE.utils.unhtml(String);* @method html* @param { String } str 需要逆转义的字符串* @return { String } 逆转义后的字符串* @example* ```javascript** var str = '<body>&</body>';** //output: <body>&</body>* console.log( UE.utils.html( str ) );** ```*/html: function(str) {return str? str.replace(/&((g|l|quo|ldquo|rdquo)t|amp|#39|nbsp);/g, function(m) {return {"<": "<","&": "&",""": '"',"“": "“","”": "”",">": ">","'": "'"," ": " "}[m];}): "";},|常见激活函数)
