format4js

Java's String.format() compatible string formatting library for JavaScript.

License

MIT License

Install

Node.js

npm install format4js

require('format4js');

HTML

Download files and add following into HTML.

<script src="format4js.js"></script>

Usage

The format4js extends String class to add format() method. You can call format() as static and instance method.

// static method: String.format("fmt", args...)
var str = String.format("5+5=%d", 10);
 
// instance method: "fmt".format(args...)
var str = "5+5=%d".format(10);

If you want to know detail of supported format string syntax, please see JDK Reference.

Limitation

• No Locale support.
• Following conversions are not supported.
  • %h, %H
  • %tN, %TN
  • %tZ, %TZ
  • %tc, %Tc

Alternative Interfaces

The format4js behave as jQuery plugin.

// as jQuery plugin
var str = $.format('5+5=%d', 10);

You can also use this library as a standalone.

// as Standalone library
var str = mdgw.format('5+5=%d', 10);