npm install verify-js --save

Object.isDefined(input).then(
    function () {
        // Valid Data
    },
    function () {
        // Invalid Data
    }
);

Promise.all([
    Object.isDefined(input1),
    Object.isDefined(input2)
]).then(
    function () {      
        // Valid Data
    },
    function () {
        // Invalid Data
    }
);

Object.isObject(input)
Object.isNotObject(input)
Object.isDefined(input)
Object.isNotDefined(input)
Object.isNull(input)
Object.isNotNull(input)
Object.isUndefined(input)
Object.isNotUndefined(input)
Object.isInstanceOf(input, instance)
Object.isNotInstanceOf(input, instance)
Object.hasOwnProperties(input)

Array.isEmpty(input)
Array.isNotEmpty(input)
Array.hasXElements(input, length)

String.isString(input)
String.isNotString(input)

Number.isNumber(input)
Number.isNotNumber(input)

Boolean.isBoolean(input)
Boolean.isNotBoolean(input)

Function.isFunction(input)
Function.isNotFunction(input)