关于jQuery select2

-- select2
    -- css
         -- select2.css
         -- select2.min.css
    -- js
         -- select2.full.js
         -- select2.full.min.js
         -- select2.js
         -- select2.min.js

其中 select2.full.js 和 select2.js有什么区别?

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通常用select2.min.js,除非你还要引用select2的其他的模块,比如鼠标滚轮,分页等.

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看 Github 源码中的 Gruntfile.js，有如下配置

    includes = [
        "jquery.select2",
        "almond",

        "jquery-mousewheel" // shimmed for non-full builds
    ];

    fullIncludes = [
        "jquery",

        "select2/compat/containerCss",
        "select2/compat/dropdownCss",

        "select2/compat/initSelection",
        "select2/compat/inputData",
        "select2/compat/matcher",
        "select2/compat/query",

        "select2/dropdown/attachContainer",
        "select2/dropdown/stopPropagation",

        "select2/selection/stopPropagation"
    ].concat(includes);

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一般都是用 select2.js， https://select2.github.io/ 官方首页最下面回答了你的问题。

Standard (select2.js / select2.min.js)
This is the build that most people should be using for Select2. It includes the most commonly used features.
Full (select2.full.js / select2.full.min.js)
You should only use this build if you need the additional features from Select2, like the compatibility modules or recommended includes like jquery.mousewheel