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Promises catch exceptions and automatically reject: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/catch https://devel
by Bahamut 10y ago
Promises catch exceptions and automatically reject: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/catch https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe... . I've never seen a promise not do this - do you have an example where this is not the case?
- coldtea 10y agoAs I wrote in depends whether you can survive and continue from an exception inside the .then to the next step or not -- not about how the promise would handle an exception, but whether you want it to handle it or you want to survive and handle it yourself. e.g, naive example: .then(() => { var foo; try { foo = getFoo(); } catch (err) { foo = 10; //some default value } return foo; }).then( (foo) => etc. So you might not want to reject automatically inside then if getFoo raises, but recover and return a default value.