Project: angular
Task (chanllenging): 1) Add a button with the text 'Random Blogs' in header to append 100,000 blogs to blog-list at one time. Each blog should have a title formatted in regex 'RandomBlog-[\d]{12}', digits in title is random. 2) Ensure the page will not be stuck when 100000 blogs are appended. 3) Constraint: DO NOT USE any third-party packages, ONLY Angular APIs can be used to optimize performance.