本部分文档将专注于 JavaScript 语言本身，而非局限于网页或其他运行环境。想要了解网页中特有的 API，请参考 Web API 以及 DOM。 Packages

parses number and unit, '20px' into [20, 'px']

Regex to match a percentage value

Percentages: a JavaScript and PHP class for calculating percentages and rounding them through the largest remainder method

A tool css for converting pixel measurements to % for grids.

interpolate values in a css string

a number-editor with units like % and px

Modulo operations based on mathematical approach