colezhang

javascript 问题

  •  
  •   colezhang · May 3, 2016 · 3543 views
    This topic created in 3688 days ago, the information mentioned may be changed or developed.

    function testPlainPush(): ThunkAction { return () => Parse.Cloud.run('test_push'); }

    请问这个冒号啥意思

    8 replies    2016-05-03 17:26:00 +08:00
    kindjeff
        1
    kindjeff  
       May 3, 2016
    console 里试了一下是报错的
    colezhang
        2
    colezhang  
    OP
       May 3, 2016
    @kindjeff ES6 写法应该 用 babel 可以转 当不明白那么写啥意思
    whahugao
        3
    whahugao  
       May 3, 2016
    这是 typescript 吗? 声明 testPlayPush 是 ThunkAction 类型的
    无责任瞎猜的
    kindjeff
        4
    kindjeff  
       May 3, 2016
    @colezhang 大概是返回值类型吧。不然还能是继承吗~~
    bzw875
        5
    bzw875  
       May 3, 2016
    node v5.11.0 执行也报错,不知道是啥
    learnshare
        6
    learnshare  
       May 3, 2016
    看起来是 TypeScript ,***(): ThunkAction 是声明返回值类型吧
    manfay
        7
    manfay  
       May 3, 2016 via iPad   ❤️ 1
    Flow | A static type checker for JavaScript
    http://flowtype.org
    colezhang
        8
    colezhang  
    OP
       May 3, 2016
    @manfay thinks
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