JavaScript~~中英文时,占位符的转换
中英文时,占位符转换实体对象
String.prototype.format= function() { if(arguments.length === 0) return this; var param = arguments[0], str= this; if(typeof(param) === 'object') { for(var key in param) str = str.replace(new RegExp("\\{" + key + "\\}", "g"), param[key]); return str; } else { for(var i = 0; i < arguments.length; i++) str = str.replace(new RegExp("\\{" + i + "\\}", "g"), arguments[i]); return str; } }; var _obj = {a:'1',b:'2'}; var m = "test{a} to {b}".format(_obj);