JAVASCRIPT
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August 16, 2025
these three (call, apply, and bind) are JavaScript function methods that let you explicitly set the value of this when...
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August 16, 2025
1. Rest Parameters (...) ✅ Example: 🔹 Here, numbers becomes an array of all passed arguments. Key Points: 2. Default...
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August 16, 2025
In JavaScript, the arguments object is an array-like object that is automatically available inside every non-arrow function. It contains all...
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August 16, 2025
1. Function Declaration ✅ Example: 2. Function Expression ✅ Example: 3. Key Differences Feature Function Declaration Function Expression Hoisting Fully...
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August 16, 2025
An IIFE (Immediately Invoked Function Expression) is a JavaScript function that is defined and executed immediately after its creation. It...
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August 16, 2025
A callback function is a function that is passed as an argument to another function, and then executed later (called...
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August 16, 2025
In programming, first-class functions (also called first-class citizens) mean that functions are treated like any other value. In languages that...
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August 16, 2025
The difference between typeof and instanceof in JavaScript is subtle but very important. Let’s break it down clearly: 1. typeof...
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August 16, 2025
Template literals in JavaScript are a way to create strings that allow embedded expressions, multi-line strings, and string interpolation. They...
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August 16, 2025
In JavaScript, undefined and null are two distinct types that represent the absence of a value, but they are used...
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