JSFiddle - React, Tailwind, and code Playground

JavaScript

var myObject = {
    'some' : {
        'nested' : {
            'property' : {
                'foo' : 'bar'
            }
        }
    }
};

var myObject2 = {
    'some' : {
        'nested' : {
            'property' : {
                'foo' : 'bar'
            }
        }
    }
};

delete myObject2.some.nested;

var foo = myObject.some && myObject.some.nested && myObject.some.nested.property,
    bar = myObject2.some && myObject2.some.nested && myObject2.some.nested.property;

if(foo)
    console.log('foo usable');

if(bar)
    console.log('bar usable');