Articles
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1 week ago |
thedailyjagran.com | Anshika Verma
Manabadi TS Inter Supplementary Results 2025 Live: The Telangana Board of Intermediate Education (TSBIE) is all set to declare the result of the TS Inter Supplementary Examination 2025 on their official website today on June 16, 2025.
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2 weeks ago |
medium.com | Anshika Verma
The Values That Pretend to Be FalseYou’ve probably seen this in JavaScript:if ("") { console.log("This will run");} else { console.log("This won’t");}Wait… a string? That’s not false. Or is it? Welcome to the mysterious world of falsy values — where things look like values but behave like false in conditionals. Let’s decode it in plain English (and a bit of weird JavaScript logic).
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2 weeks ago |
medium.com | Anshika Verma
The Number That Isn’t a NumberWait… what? NaN literally stands for “Not a Number”, but — plot twist — it’s actually of type number in JavaScript. Yes, welcome to programming logic. Where typeof NaN === 'number' and NaN !== NaN. Let’s break it all down. NaN is JavaScript’s way of saying: “I tried to get a number, but this result doesn’t make sense.”let result = "hello" - 5;console.log(result); You tried to subtract 5 from a string? JavaScript shrugs and gives you NaN. Kind of.
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3 weeks ago |
medium.com | Anshika Verma
The Variable That Exists… But Doesn’tEver opened a fridge, saw a box inside, but when you opened it — nothing? That’s undefined. It’s not null (which is “intentionally empty”). It’s not zero, false, or empty string. It’s something that’s never been set at all. Let’s break it down. In JavaScript, undefined means:“This variable exists, but no one gave it a value.”let myVar;console.log(myVar); You told the code: “Here’s a box.” But you didn’t say what is in it.
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3 weeks ago |
medium.com | Anshika Verma
The Silent Bug That Breaks EverythingEver written a program that should work but suddenly crashes with a weird error like:“TypeError: Cannot read property ‘x’ of null”Yup. That’s the sneaky world of null. It’s like a ghost — invisible, quiet, and deadly — lurking in your code, ready to break it when you least expect. Let’s unpack what null really is, why it exists, and how to handle it like a pro.
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