@ritesh981
I am coder , creative thinker and problem solver .
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Oct 7, 2023 · 1 min read · In JavaScript, you can encounter situations where a variable or value is undefined, results in a ReferenceError, or produces NaN. Here's a brief explanation of each: undefined: This typically occurs when you try to access a variable or property that...
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May 20, 2023 · 2 min read · An IIFE (Immediately Invoked Function Expression) is a JavaScript function that is immediately executed as soon as it is defined. It is a concise way to create a new scope for your code and execute it right away. Here's a simplified definition of an ...
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May 19, 2023 · 3 min read · Closure in JavaScript is a powerful concept that allows functions to retain access to variables from their parent scope, even after the parent function has finished executing. In simpler terms, a closure is created when a function is defined inside a...
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May 18, 2023 · 3 min read · Hoisting in JavaScript is a behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase, before the code is executed. This means that you can use variables and functions before they ar...
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May 17, 2023 · 2 min read · Function Declaration and Function Expression are two ways to define functions in JavaScript. They differ in how they are declared and how they are hoisted within the code. Function Declaration: A function declaration is a statement that defines a na...
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