JavaScript’s Map and Set are indispensable tools in a developer’s toolkit, offering powerful ways to manage data. The Map structure provides a flexible means of associating values with unique ...

The company has not disclosed how many users were affected or whether any wallets were compromised as a result of the exploit.

Opera confirmed Wednesday that its latest browser, 8.01, would display the pop-up's origin, letting a user inspect its URL to see if it came from a trusted site.