无法访问匿名函数 | 无法访问匿名函数

本文介绍了无法访问匿名函数的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

有两种使用第三方库(BrowserPrint.js)的环境；

There are two environments which using the 3rd party library (BrowserPrint.js);

工作环境 - JS 和 jQuery其中 3party 库仅包含在文档的部分

WORKING ENV - JS and jQuerywhere 3party libraries are included simply in the <head> part of the document

并且在

$(document).ready(setup_web_print);

不适用于环境 - Angular、JS 和 jQuery

NOT WORKING ENV - Angular, JS and jQuery

组件中包含第 3 方库的位置:

where 3rd party libraries are included in component:

import * as $ from 'jquery';
import * as bp from '../../../content/js/BrowserPrint-1.0.4.js';

并在ngOnInit()生命周期钩子中触发:

and triggered in ngOnInit() lifecycle hook:

ngOnInit() {
   $(document).ready(function () {
    ...
   })
...
}

控制台出现错误

ReferenceError: finishedFunction is not defined
at Object.t.getDefaultDevice (BrowserPrint-1.0.4.js:95)

所以它似乎无法访问 finishedFunction

so it seems it cannot access finishedFunction

var a = n("GET", e("available"));
        a && (finishedFunction = function(e) {
            response = e, response = JSON.parse(response);
            for (var n in response)
                if (response.hasOwnProperty(n) && response[n].constructor === Array) {
                    arr = response[n];
                    for (var i = 0; i < arr.length; ++i) arr[i] = new t.Device(arr[i])
                }
            return void 0 == o ? void r(response) : void r(response[o])
        }, i(void 0, a, finishedFunction, s), a.send())

有谁知道如何解决这个问题，为什么在第二个环境中不起作用?

Does anybody know how to fix this and why doesn't work with in second env?

推荐答案

我真的不知道 JavaScript 是如何处理这段用逗号编写的代码的.但我认为这就是你想要的，不是吗?

I really don't know how JavaScript is handling this comma-written code. But I think this is what you want, isn't it?

 if(a) {
    var finishedFunction = function(e) {
      if (response = e, "" == response) return void s(null);
      response = JSON.parse(response);
      var n = new t.Device(response);
      s(n)
    };
    i(void 0, a, finishedFunction, o);
    a.send();
 }

这篇关于无法访问匿名函数的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！