JavaScript How to break sequence handlers of Promises/A?

You can return a promise that never is resolved from the function that method2() yields.

However, that doesn't make much sense, as "breaking the sequence" means going to error state actually, and should be possible to handle.

Maybe you rather want

method1().then(function method2(res) {
    // do something
    if (/* you want to break*/)
        throw new Error("reason for breaking");
    else
        return when(/* what is done */).then(method3(), errorHandler3());
});
Answer:1

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