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交作业

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fireflyooo

#1 Created at ... [Delete] [Delete and Lock User] 
// 以下为懒人做法,反正作业能通过就行..
var listElements=document.querySelectorAll('ul#test-list>li');
var isDelete = false;
for(let i of listElements){
    isDelete && i.parentElement.removeChild(i);
    isDelete=!isDelete;
}

fireflyooo

#2 Created at ... [Delete] [Delete and Lock User] 
// 更懒
var listElements=document.querySelectorAll('ul#test-list>li:nth-child(even)');
for(let i of listElements){
    i.parentElement.removeChild(i);
}

夙命的莫桑

#3 Created at ... [Delete] [Delete and Lock User]

666 你的querySelector里的字符串规则在哪里看的？能推荐个地址吗？我看MDN上没有

夙命的莫桑

#4 Created at ... [Delete] [Delete and Lock User]

啊， 找到了 http://www.runoob.com/cssref/css-selectors.html

iFayeee

#5 Created at ... [Delete] [Delete and Lock User]

和css选择器的规则一样

丫丫豆包

#6 Created at ... [Delete] [Delete and Lock User]

为何测试失败

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