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Posted By

jasonseney on 10/13/08


Tagged

javascript format String sprintf printf


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Sprintf in Javascript (string format)

 / Published in: JavaScript
 

Example:

var result = "Hello {0}! This is {1}.".format("world","foo bar");

Returns:

"Hello World! This is foo bar."

Expand | Embed | Plain Text 
  1. String.prototype.format = function(){
  2.     var pattern = /\{\d+\}/g;
  3.     var args = arguments;
  4.     return this.replace(pattern, function(capture){ return args[capture.match(/\d+/)]; });
  5. }

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