What's New In DevTools (Chrome 80) | Blog | Chrome for Developers

Support for let and class redeclarations in the Console The Console now supports redeclarations of let and class statements. The inability to redeclare was a common annoyance for web developers who use the Console to experiment with new JavaScript code. For example, previously, when redeclaring a local variable with let, the Console would throw an error: Now, the Console allows the redeclaration:

[efcl]

Chrome 80の開発者ツールの変更点について。 コンソールで`let`や`const`の再定義が可能に、DWARFをサポートしWebAssemblyのソースデバッグに対応、ネットワークパネルの改善、デフォルトのUAリストの更新など。 また、Coverageが関