此方法用于在选择器的基础之上搜索被选元素中符合表达式的父元素 取得一个包含着所有匹配元素的唯一父元素的元素集合,你可以使用可选的表达式来筛选: 实例: <html lang='zh-cn'> <head> <title>Insert you title</title> <meta http-equiv='description' content='this is my page'> <meta http-equiv='keywords' c
#include<iostream> #include<string> #include<vector> using namespace std; int main() { vector<string> str={"The is C++ program ","hfh ","","hfdshfisoid"}; for(auto it=str.begin();it!=str.end(