ako sa vám odstrániť odstrániť prvok z poľa v javascripte
var colors = ["red","blue","car","green"];
var carIndex = colors.indexOf("car");//get "car" index
//remove car from the colors array
colors.splice(carIndex, 1); // colors = ["red","blue","green"]
vymazať prvok na pole
var colors = ["red", "orange", "yellow", "green"];
colors = colors.splice(3, 1); // Starts removing from the third element, and deletes 1 element
// Array.splice(startingElement, elementYouWantToRemove);
Ako odstrániť Pole
#include <vector>
#include <iostream>
int main() {
std::vector<int> v{1, 2, 3};
v.pop_back();
std::cout << v.size() << "\n";
std::cout << v.back() << "\n";
}
Output:
2
2