• https://cdn.bootcdn.net/ajax/libs/core-js/0.4.10/core.js
• https://cdn.bootcdn.net/ajax/libs/core-js/0.4.10/core.min.js
• https://cdn.bootcdn.net/ajax/libs/core-js/0.4.10/library.js
• https://cdn.bootcdn.net/ajax/libs/core-js/0.4.10/library.min.js
• https://cdn.bootcdn.net/ajax/libs/core-js/0.4.10/shim.js
• https://cdn.bootcdn.net/ajax/libs/core-js/0.4.10/shim.min.js