[javascript] How do I access previous promise results in a .then() chain?

function getExample() {
    var retA, retB;
    return promiseA(…).then(function(resultA) {
        retA = resultA;
        // Some processing
        return promiseB(…);
    }).then(function(resultB) {
        // More processing
        //retA is value of promiseA
        return // How do I gain access to resultA here?
    });
}

easy way :D

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