html 调用 class 封装的 js,无反应 - V2EX
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TomeWong
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html 调用 class 封装的 js,无反应

  •  
  •   TomeWong 2020-07-21 10:25:48 +08:00 2190 次点击
    这是一个创建于 1913 天前的主题,其中的信息可能已经有所发展或是发生改变。
     <div class="uploader"> <input type="file" id="file" multiple> </div> <script src="../src/index.js" type="module"></script> 
    import Queues from './widgets/queue.js' class Uploader { constructor () { this.cOntainer= document.getElementById('file'); this.queue = new Queues(); this.pool = []; this.container.addEventListener('change', function() { var filesList = document.querySelector('#files').files; if(filesList.length==0){ //如果取消上传,则改文件的长度为 0 return; }else{ //如果有文件上传,这在这里面进行 console.log(filesList); Queues.addFile(filesList); } }) } } export default Uploader 

    运行后,选择后,js 中的代码没有触发,求原因

    谢谢!!!

    8 条回复    2020-07-23 09:42:43 +08:00
    ChanKc
        1
    ChanKc  
       2020-07-21 12:17:25 +08:00 via Android
    new Uploader()
    maichael
        2
    maichael  
       2020-07-21 12:27:44 +08:00
    你也没有实例化 Uploader 呀
    azcvcza
        3
    azcvcza  
       2020-07-21 13:49:05 +08:00
    在底下另起一行<script> var uploader = new Uploader() </script>
    Terry05
        4
    Terry05  
       2020-07-21 13:57:54 +08:00
    逐渐 stackoverflow
    TomeWong
        5
    TomeWong  
    OP
       2020-07-21 14:39:35 +08:00
    @azcvcza 谢谢
    wednesdayco
        6
    wednesdayco  
       2020-07-22 10:23:35 +08:00
    为啥会在这问这种基础问题- -b stackoverflow 不香么
    Sven0706
        7
    Sven0706  
       2020-07-22 14:08:29 +08:00
    逐渐 stackoverflow
    myCupOfTea
        8
    myCupOfTea  
       2020-07-23 09:42:43 +08:00
    ....
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