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I have a field:
<input type='number' /> I'd like to punch in 0.50 without it “correcting it” to 0.5, so it would display 0.50.
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The number of trailing zeros in a non-zero base-b integer n equals the exponent of the highest power of b that divides n. For example, 14000 has three trailing zeros and is therefore divisible by 1000 = 103, but not by 104. This property is useful when looking for small factors in integer factorization.
Use the String() object to convert the number to a string. Call the padStart() method to add zeros to the start of the string. The padStart method will return a new, padded with leading zeros string.
I attached an on('change') event to the input you want to have trailing 0's
$('.number-input').on('change', function(){ $(this).val(parseFloat($(this).val()).toFixed(2)); }); It just takes the value, casts it to a float, renders it to a string to the number of decimal places, and puts it back in as the value.
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