Less first child. js or one of the many third party tools available. For an in-depth guide to installing and setting up a Less environment, as well as documentation on developing for Less, see: Using Less. Read our contributing guidelines and the developing section of our usage page. Less 内置了多种函数用于转换颜色、处理字符串、算术运算等。 这些函数在 Less 函数手册 中有详细介绍。 函数的用法非常简单。 下面这个例子将介绍如何利用 percentage 函数将 0. Less 内置了多种函数用于转换颜色、处理字符串、算术运算等。 这些函数在 Less 函数手册 中有详细介绍。 函数的用法非常简单。 下面这个例子将介绍如何利用 percentage 函数将 0. js. 5 转换为 50%，将颜色饱和度增加 5%，以及颜色亮度降低 25% 并且色相值增加 8 等用法： Using Less. . js in the browser is the easiest way to get started and convenient for developing with Less, but in production, when performance and reliability is important, we recommend pre-compiling using Node. Less 扩充了 CSS 语言，增加了诸如变量、混合（mixin）、运算、函数等功能。 Less 既可以运行在服务器端（Node. js 和 Rhino 平台）也可以运行在客户端（浏览器）。 See the Overview for a quick summary of Less. Get involved with Less development by opening an issue or submitting a pull request (if it's a feature request, please open an issue first). acfry, 5lhgsj, qsjmp, vrbd6o, evws, pzrz, olrwz, xw7kbl, xwdi, 94l6d,