Caching function return value in javascript

function cache

function multiply(a, b, c) {
    if (!multiply.cache) {
        multiply.cache = {};
    }
    var cachedArgs = JSON.stringify(arguments);
    if (multiply.cache[cachedArgs]) {
        return multiply.cache[cachedArgs];
    }

    return multiply.cache[cachedArgs] = a * b * c;
}


console.log(multiply(10, 10, 10)); // output 1000

console.log(multiply(10, 10, 10)); // output 1000 (cached)

console.log(multiply(10, 10, 10)); // output 1000 (cached)