Older versions of iPhone OS aren't new enough to have modern certificate authorities trusted, meaning only sites using older certificate authorities are able to have a secure connection.

Here are links to modern Certificate Authorities that may not be trusted on older devices (some other complications may prevent sites using these certificates from working, those can not be fixed by these.)

Html, Css, Javascript -

This provides the skeleton, including an input field, an "Add" button, and an empty list container.

This logic handles adding new items and removing them when clicked. javascript HTML, CSS, JavaScript

// script.js function addTask() { const input = document.getElementById('todoInput'); const list = document.getElementById('todoList'); if (input.value.trim() !== "") { const li = document.createElement('li'); li.textContent = input.value; // Clicking the item removes it li.onclick = function() { this.remove(); }; list.appendChild(li); input.value = ""; // Clear input } } Use code with caution. Copied to clipboard Copy each block into a file named as labeled above. This provides the skeleton, including an input field,