angular-docs-cn/public/docs/js/latest/api/pipes/DecimalPipe-class.jade

p.location-badge.
  exported from <a href='../pipes'>angular2/pipes</a>
  defined in <a href="https://github.com/angular/angular/tree/2.0.0-alpha.34/modules/angular2/src/change_detection/pipes/number_pipe.ts#L52-L85">angular2/src/change_detection/pipes/number_pipe.ts (line 52)</a>

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  Formats a number as local text. i.e. group sizing and seperator and other locale-specific
  configurations are based on the active locale.
  
  # Usage
  
      expression | number[:digitInfo]
  
  where `expression` is a number and `digitInfo` has the following format:
  
      {minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}
  
  - minIntegerDigits is the minimum number of integer digits to use. Defaults to 1.
  - minFractionDigits is the minimum number of digits after fraction. Defaults to 0.
  - maxFractionDigits is the maximum number of digits after fraction. Defaults to 3.
  
  For more information on the acceptable range for each of these numbers and other
  details see your native internationalization library.
  
  # Examples
  
      {{ 123 | number }}              // output is 123
      {{ 123.1 | number: '.2-3' }}    // output is 123.10
      {{ 1 | number: '2.2' }}         // output is 01.00
  
  

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