![]() ![]() If not specified, then the width will be determined by the content. The width defines the minimum field width. base ("#") - for binary, octal, or hexadecimal output, prefix by "0b", "0o", or "0x", respectively.currency ("$") - a currency symbol should be prefixed (or suffixed) per the locale. ![]() space (" ") - a leading space should be used on positive numbers, and a minus sign on negative numbers.minus ("-") - a sign should be used only for negative numbers.plus ("+") - a sign should be used for both positive and negative numbers.("^") Forces the field to be centered within the available space.("") Forces the field to be right-aligned within the available space.The presence of a fill character is signaled by the character following it, which must be one of the align options. The fill can be any character other than "". The general form of a specifier is: align] The format specifier is modeled after Python 3.1's built-in ]. ![]() English locale.) A format function takes a number as the only argument, and returns a string representing the formatted number. (Equivalent to locale.numberFormat for the default U.S. Returns a new format function with the given string specifier. In addition to numbers, D3 also supports formatting and parsing ], and ]. Now you can conveniently format numbers: zero(2) // "0002" For example, to create a function that zero-fills to four digits, say: var zero = d3.format("04d") D3 makes this easy using a standard number format. Or, maybe you want to display only the significant digits of a particular number. Also, maybe you want to group thousands to improve readability, and use fixed precision, such as "$1,240.10". Wiki ▸ ] ▸ ] ▸ Formattingįormatting numbers is one of those things you don't normally think about until an ugly "0.30000000000000004" appears on your axis labels. ![]()
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