format

printf, sprintf, and vsprintf for JavaScript

  • format

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format
printf, sprintf, and vsprintf for JavaScript
Installation
npm install format
The code works in browsers as well, you can copy these functions into your project or otherwise include them with your other JavaScript.
Usage
var format = require('format')
  , printf = format.printf
  , vsprintf = format.vsprintf
  // or if you want to keep it old school
  , sprintf = format

// Print 'hello world'
printf('%s world', 'hello')

var what = 'life, the universe, and everything'
format('%d is the answer to %s', 42, what)
// => '42 is the answer to life, the universe, and everything'

vsprintf('%d is the answer to %s', [42, what])
// => '42 is the answer to life, the universe, and everything'
Supported format specifiers: b, c, d, f, o, s, x, and X.
See man 3 printf or man 1 printf for details.
Precision is supported for floating point numbers.
License
Copyright 2010 - 2014 Sami Samhuri sami@samhuri.net
MIT license