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monster.util.formatNumber()#

Syntax#

monster.util.formatNumber(args);

Parameters#

args is a mandatory Object parameter with the following properties:

Key Description Type Default Required
number Number to format. Number, String true
digits Exact number of fractional digits to use (will pad with 0(s) and round as needed to enforce digits). Number false
style Formatting style to use. String('currency'|'decimal'|'percent') decimal false

Return value#

A String representation of number.

Errors#

  • "number" is not a valid number or not castable into a number: number is not a Number or String, or is NaN, or is a String either not convertible into a Number or empty
  • "digits" is not a positive integer: digits is defined but not a positive Number integer
  • "style" is not one of currency, decimal, percent: style is defined but not a valid option

Description#

The monster.util.formatNumber() method is used to easily format numbers as plain numbers, prices and percentages by applying specific formatting rules set by the locale and/or currency code.

Locale & currency code#

The locale set at the framework level is automatically used to format number correctly following its specificities for all style options (currency symbol positioning, grouping separators and fractional digits).

The currency code set at the framework level is automatically used to format number correctly following its specificities and those of the locale when style is set to currency.

Examples#

Format as plain number#

monster.util.formatNumber({ number: 5 });                   // -> "5"
monster.util.formatNumber({ style: 'decimal', number: 5 }); // -> "5"
monster.util.formatNumber({ number: -5 });                  // -> "-5"
monster.util.formatNumber({ number: 5000 });                // -> "5,000"
monster.util.formatNumber({ number: '5.5' });               // -> "5.5"
monster.util.formatNumber({ number: 5.4321 });              // -> "5.432"
monster.util.formatNumber({ number: 5, digits: 3 });        // -> "5.000"
monster.util.formatNumber({ number: 5.55, digits: 1 });     // -> "5.6"

Format as price#

monster.util.formatNumber({ style: 'currency', number: 5 });              // -> "$5.00"
monster.util.formatNumber({ style: 'currency', number: -5 });             // -> "-$5.00"
monster.util.formatNumber({ style: 'currency', number: '5.5' });          // -> "$5.50"
monster.util.formatNumber({ style: 'currency', number: 5.54321 });        // -> "$5.54"
monster.util.formatNumber({ style: 'currency', number: 5, digits: 3 });   // -> "$5.000"
monster.util.formatNumber({ style: 'currency', number: 5, digits: 1 });   // -> "$5.0"
monster.util.formatNumber({ style: 'currency', number: 5.5, digits:0 });  // -> "$6"

Format as percentage#

monster.util.formatNumber({ style: 'percent', number: .5 });                // -> "50%"
monster.util.formatNumber({ style: 'percent', number: '.5' });              // -> "50%"
monster.util.formatNumber({ style: 'percent', number: 0.5 });               // -> "50%"
monster.util.formatNumber({ style: 'percent', number: -5, digits: 2 });     // -> "-50.00%"
monster.util.formatNumber({ style: 'percent', number: .555 });              // -> "56%"
monster.util.formatNumber({ style: 'percent', number: .12345, digits: 2 }); // -> "12.35%"
monster.util.formatNumber({ style: 'percent', number: .5, digits: 3 });     // -> "50.000%"