Formatting of JavaScript strings

formatting strings

String.prototype.format = function (args) {    var result = this;    if (Arguments.length < 1) {        return result;    }    var data = arguments;       If the template parameter is an array if    (arguments.length = = 1 && typeof (args) = = "Object") {        //If the template parameter is Object        data = args;    } For    (var key in data) {        var value = Data[key];        if (undefined! = value) {            result = Result.replace ("{" + key + "}", value);}        }    return result;}

How to use:

Two ways to call Var template1= "I am {0}, this year {1}"; var Result1=template1.format ("Loogn"); var template2= "I am {name}, this year {age}"; var Result2=template2.format ({name: "Loogn", age:22});//Two results are "I'm Loogn, 22 this year."

Reference: http://www.cnblogs.com/yelaiju/archive/2012/03/27/2419212.html