Warning: file_get_contents(/data/phpspider/zhask/data//catemap/9/javascript/382.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
liammclennan/JavaScript Koans主题数组_Javascript_Arrays - Fatal编程技术网

liammclennan/JavaScript Koans主题数组

liammclennan/JavaScript Koans主题数组,javascript,arrays,Javascript,Arrays,我在这个练习中遇到了问题: test("stack methods", function() { var stack = []; stack.push("first"); stack.push("second"); equal("second" , stack.pop(), 'what will be the first value popped off the stack?'); equal("first", stack.pop(), 'what wi

我在这个练习中遇到了问题:

test("stack methods", function() {
    var stack = [];
    stack.push("first");
    stack.push("second");

    equal("second" , stack.pop(), 'what will be the first value popped off the stack?');
    equal("first", stack.pop(), 'what will be the second value popped off the stack?');
});

在chrome控制台中运行得很好,但在第二次测试中显示错误。

关于数组主题/About_Arrays.js:stack methods 1,1,2rrun3 ms从堆栈中弹出的第一个值是什么?从堆栈弹出的第二个值是什么?预期:第二个结果:第一个差异:第二个第一个源:at对象。file:///C:/Users/Emil/Desktop/JavaScript-Koans master/topics/about_arrays.js:31:26更改第一和第二个位置不起作用。所以您的测试用例失败了。