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test_format.js	updated shit	2024-10-14 08:09:33 +02:00

Readme.md

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

MIT license