Is there a C String Format equivalent in JavaScript

Question

C  has the really powerful String Format   for replacing elements like  0 with parameters  Does JavaScript have an equivalent

User · Answer

I created it a long time ago  related question  String Format   function  b        var a   arguments      return b replace        d        d    g  function  b            if  b substring 0  2           return b          var c   parseInt b match   d   0            return a c   1

User · Answer

Try sprintf   for javascript   Or     First  checks if it isn t implemented yet  if   String prototype format      String prototype format   function         var args   arguments      return this replace     d    g  function match  number           return typeof args number      undefined            args number            match                           0  is dead  but  1  is alive   0   2   format  ASP    ASP NET     Both answers pulled from JavaScript equivalent to printf string format

User · Answer

Based on  Vlad Bezden answer I use this slightly modified code because I prefer named placeholders   String prototype format   function placeholders        var s   this      for var propertyName in placeholders            var re   new RegExp       propertyName         gm            s   s replace re  placeholders propertyName                  return s       usage     greeting   who    format  greeting   Hello   who   world       x000D   x000D  String prototype format   function placeholders    x000D      var s   this  x000D      for var propertyName in placeholders    x000D          var re   new RegExp       propertyName         gm    x000D          s   s replace re  placeholders propertyName    x000D            x000D      return s  x000D     x000D   x000D      result   text   greeting   who    format  greeting   Hello   who   world      x000D   lt script src  https   ajax googleapis com ajax libs jquery 2 1 1 jquery min js  gt  lt  script gt  x000D   lt div id  result  gt  lt  div gt  x000D   x000D   x000D

User · Answer

I am using   String prototype format   function         var s   this          i   arguments length       while  i--            s   s replace new RegExp         i           gm    arguments i              return s       usage   Hello  0   format  World     I found it at Equivalent of String format in JQuery   UPDATED   In ES6 ES2015 you can use string templating for instance   use strict    let firstName    John       lastName    Smith    console log  Full Name is   firstName    lastName         or console log  Full Name is   firstName         lastName

[javascript] Is there a C# String.Format() equivalent in JavaScript?

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