Google has launched Chrome 63 for Windows, Mac, and Linux. Additions in this release include dynamic module imports, async iterators and generators, Device Memory API, among other developer features. You can update to the latest version now using the browser’s built-in silent updater or download it directly from

Chrome is arguably more than a browser. With over 1 billion users, it’s a major platform that web developers have to consider. In fact, with Chrome’s regular additions and changes, developers have to keep up to ensure they are taking advantage of everything available.

First up, the addition of dynamic module imports means the import(specifier) syntax now allows developers to dynamically load code into modules and scripts at runtime. This can be used for lazy-loading a script only when it’s needed — importing JavaScript modules was completely static until now, meaning developers could not import modules based on runtime conditions.

Async generator functions can help developers streamline the consumption or implementation of streaming data sources, while async iterators can be used in for loops and also to create custom async iterators through async iterator factories. This should lead to more elegant code — see the async iteration proposal for more information.

Chrome 63 also implements the Device Memory API, which helps developers create one user experience that can work across all devices. This new API uses the total RAM on a user’s machine to provide insights into device constraints and tailors content at runtime in accordance with hardware limitations….

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