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    2. 量角器 - 如何将一组承诺的结果放入另一个数组

      protractor - how to get the result of an array of promises into another array(量角器 - 如何将一组承诺的结果放入另一个数组)
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                本文介绍了量角器 - 如何将一组承诺的结果放入另一个数组的处理方法,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跟版网的小编来一起学习吧!

                问题描述

                我从这段代码中得到了一系列承诺:element.all(by.repeater('unit in units')),我发现很难将数据放入另一个数组:

                I got an array of promises from this code: element.all(by.repeater('unit in units')), and I am finding it really difficult to get the data into another array:

                element.all(by.repeater('unit in units')).then(function (arr) {
                    var items = [];
                
                    for (var i = 0; i < arr.length; i++) {
                      arr[i].getText().then(function(text) {
                        items.push(text);
                      });
                    }
                
                   //PROBLEM ITEMS is Empty
                   console.log(items);
                });
                

                推荐答案

                设法以更简单的方式获得相同的结果,避免使用 Q 和中继器.使用内置地图就可以了.

                Managed to get the same result on a simpler way avoiding using Q and the repeater. Using the inbuilt map does the trick.

                var tabs = element.all(by.css('.unitTabs li a')).map(function (elm) {
                    return elm.getText();
                });
                
                tabs.then(function (result) {
                    var sorted = _.sortBy(result, function (name) { return name; });
                    for (var i = 0; i < result.length; i++) {
                        expect(result[i]).toBe(sorted[i]);
                    }
                });
                

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