Object typification in JavaScript

Objects have their own data type called 'object'. Check it with the operator typeof:

console.log(typeof {}); // shows 'object'

Without running the code, determine what will be output to the console:

console.log( typeof {x: 1, y: 2, z: 3} );

Without running the code, determine what will be output to the console:

console.log( typeof {} );

Without running the code, determine what will be output to the console:

let obj = {x: 1, y: 2, z: 3}; console.log( typeof obj );

Without running the code, determine what will be output to the console:

let obj = {x: 1, y: 2, z: 3}; console.log( typeof obj['x'] );
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