Method isArray

src/AutoNumericHelper.js:240–248

* Return `true` if the parameter is an Array * //TODO Replace this by the default `Array.isArray()` function? * * @param {*} arr * @throws Error * @returns {*|boolean}

(arr)

     * @returns {*|boolean}
     */
    static isArray(arr) {
        if (Object.prototype.toString.call([]) === '[object Array]') { // Make sure an array has a class attribute of [object Array]
            // Test passed, now check if is an Array
            return Array.isArray(arr) || (typeof arr === 'object' && Object.prototype.toString.call(arr) === '[object Array]');
        }
        else {
            throw new Error('toString message changed for Object Array'); // Verify that the string returned by `toString` does not change in the future (cf. http://stackoverflow.com/a/8365215)
        }
    }

    /**
     * Return `true` if the parameter is a DOM element