A callback is a function in JavaScript that runs after a specific task is completed. Instead of waiting for the task to finish, the callback allows other things to happen in the meantime and triggers ...

Reentrancy attacks are a serious vulnerability in smart contracts. Learn how these attacks work and how to protect your contracts.

Callbacks work fine for handling asynchronous code in JavaScript, but promises and the async and await keywords are cleaner and more flexible.

Several useful, common helper functions are defined, downloaded, and used a lot. We should standardize at least some of them. This proposal is seeking Committee consensus for Stage 1: that ...

‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful!

Callbacks are references to executable code that higher levels of software pass into a function. These callbacks have the ability to greatly increase the portability and reuse of embedded software, ...