Function eachProp

tests/js/require.js:94–103

* Cycles over properties in an object and calls a function for each * property value. If the function returns a truthy value, then the * iteration is stopped.

(obj, func)

     * iteration is stopped.
     */
    function eachProp(obj, func) {
        var prop;
        for (prop in obj) {
            if (hasProp(obj, prop)) {
                if (func(obj[prop], prop)) {
                    break;
                }
            }
        }
    }

    /**
     * Simple function to mix in properties from source into target,