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tests: http://jsfiddle.net/su918rLv/
This is the how the existing formats work:
numeral(1234.567).format('0,0'); //output: 1,235 numeral(1234.567).format('0,0.00'); //output: 1,234.57 numeral(1234).format('0,0.00'); //output: 1,234.00 Is there a format that will produce both a whole number or decimal number based on the number value? I'm using 0,0.99 here but it is not the answer.
numeral(1234).format('0,0.99'); //output: 1,234 numeral(1234.567).format('0,0.99'); //output: 1,234.57 
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To limit decimal places in JavaScript, use the toFixed() method by specifying the number of decimal places. This method: Rounds the number. Converts it into a string.
Use the toFixed() method to format a number to 2 decimal places, e.g. num. toFixed(2) . The toFixed method takes a parameter, representing how many digits should appear after the decimal and returns the result.
JavaScript Code:function number_test(n) { var result = (n - Math. floor(n)) !== 0; if (result) return 'Number has a decimal place. '; else return 'It is a whole number.
Use the toFixed() method in JavaScript to format a number with two decimals. The toFixed() method formats a number with a specific number of digits to the right of the decimal.
Yes. Put the optional decimals in brackets:
numeral(1234).format('0,0.[00]'); // output: 1,234 numeral(1234.567).format('0,0.[00]'); // output: 1,234.57 Either no decimals or 2 decimals:
numeral(1234).format('0,0[.]00'); // output: 1,234 numeral(1234.5).format('0,0[.]00'); // output: 1,234.50 (Based on johnwp's comment from the accepted answer).
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