when javascript Code Snippet in 2024
functionlogicbeginner
Last Updated: 21 July 2024
Returns a function that takes one argument and runs a callback if it's truthy or returns it if falsy.
- Return a function expecting a single value,
x, that returns the appropriate value based onpred.
const when = (pred, whenTrue) => x => (pred(x) ? whenTrue(x) : x);const doubleEvenNumbers = when(x => x % 2 === 0, x => x * 2);
doubleEvenNumbers(2); // 4
doubleEvenNumbers(1); // 1javascript snippet similar to when For You in July 2024
Subscribe to our Newsletter
Subscribe to get resources directly to your inbox. You won't receive any spam! ✌️