Method isNumber

src/AutoNumericHelper.js:154–156

* Return `true` if the parameter is a number (or a number written as a string). * * @param {*} n * @returns {boolean}

(n)

     * @returns {boolean}
     */
    static isNumber(n) {
        return !this.isArray(n) && !isNaN(parseFloat(n)) && isFinite(n);
    }

    /**
     * Return `true` if the given character is a number (0 to 9)