The location Object — JS Technical Interview Questions & Answers

Reading and changing the current URL.

The location Object

  • The location Object (js) is a JS topic. In plain words you use it for { name, marks } in a student record. Don’t start with a slogan — start with that picture.
  • Smallest example: const { name } = student. Type it, run it, and say what you see. If you can do that from memory, you know The location Object (js).
  • From the example next to this theory: Reading and changing the current URL.
  • Trap: copying nested objects by accident (shallow copy). Fix that before you talk about advanced JS.
  • Viva: what is The location Object (js)? Then show const { name } = student. Then name the trap.

Technical Interview Tip: What is The location Object (js)? Show this: const { name } = student. Trap: copying nested objects by accident (shallow copy).

Code Examples for The location Object

The location Object — working example

// Browser BOM sketch (not available in Node/Piston):
// console.log(window.innerWidth, navigator.userAgent);
// location.assign("/prep"); history.back();

// Runnable stand-in:
const windowLike = { innerWidth: 1280, location: { href: "/home" }, history: [] };
windowLike.history.push(windowLike.location.href);
windowLike.location.href = "/prep";
console.log(windowLike.innerWidth, windowLike.location.href, windowLike.history);

The location Object — bOM APIs (window, navigator, location, history) talk to the browser chrome around the DOM.

How to Explain The location Object to an Interviewer

What is The location Object (js)?

Used for { name, marks } a student record Not just the heading

Give one small example of The location Object (js).

const { name } = student Reading and changing the current URL

What mistake do beginners make with The location Object (js)?

copying nested objects by accident (shallow copy) Show the fix

Where do you use The location Object (js)?

a student record { name, marks }