Node.js, MongoDB, and AngularJS Web Development

Formatting Strings

When you’re handling string data, you commonly need to format strings quickly. Node.js provides a rudimentary string formatting method in the util module that handles many string formatting needs. The util.format() function accepts a formatter string as the first argument and returns a formatted string. The following is the syntax for the format() method, where format is the formatter string and [...] represents the arguments that follow:

util.format(format, [...])

The format argument is a string that can contain zero or more placeholders. Each placeholder begins with a % character and is eventually replaced with the converted string value from its corresponding argument. The first formatter placeholder represents the second ...