Both debouncing and throttling are optimization techniques used to limit the rate at which a function is executed. They are essential for handling high-frequency events like browser window resizing, scrolling, or real-time search inputs. Debouncing
const user = firstName: 'Happy', lastName: 'Rawat' ; function greet(greeting, punctuation) console.log(`$greeting, $this.firstName $this.lastName$punctuation`); // call greet.call(user, 'Hello', '!'); // "Hello, Happy Rawat!" // apply greet.apply(user, ['Welcome', '.']); // "Welcome, Happy Rawat." // bind const delayedGreet = greet.bind(user, 'Hi'); delayedGreet('?'); // "Hi, Happy Rawat?" Use code with caution.
Copies top-level properties. Nested objects still reference the original memory addresses (e.g., using Object.assign() or the spread operator ... ). happy rawat javascript interview questions pdf free upd
Do not memorize answers. Use tools like JavaScript Visualizer to see how the execution context stack shifts during run-time.
The Happy Rawat JavaScript interview questions PDF is a comprehensive resource that covers a wide range of topics related to JavaScript. The PDF includes: Copies top-level properties
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Practice solving array manipulation, string operations, and polyfill creation on a plain whiteboard or a basic text editor without autocomplete. Do not memorize answers
: Variables (var, let, const), data types, operators, and basic loops.
Created whenever a function is invoked. Each function call gets its own unique context. The Execution Context is created in two distinct phases:
JavaScript is a single-threaded, synchronous language. Every time a script runs, the engine creates a . When a function is invoked, a new Function Execution Context (FEC) is created and pushed onto the Call Stack .