.push is not a function code example

Example 1: javascript push is not a function

let test = {
		name: 'NN',
  		email: '[email protected]'
};

test.phone = '234654234';

// result { "name": "NN", "email": "[email protected]", "phone": "234654234" }

Example 2: hasOwnProperty is not a function

// Calls "hasOwnProperty" on queryData, even if queryData has
// no prototype:
console.log(Object.hasOwnProperty.bind(queryData)('session'));