SMShushma Munirajinshushma.hashnode.dev·Feb 22, 2023 · 1 min readFalsy Values and how to Handle them with Logical OR and Nullish CoalescingLet's crack the egg!! First, let's understand the OG - Logical OR (| |) Logical OR operator (||) is used to set a default value for a variable in case it is "falsy" (i.e., evaluates to false, null, undefined, 0, NaN, or an empty string). If the firs...01A
SMShushma Munirajinshushma.hashnode.dev·Feb 14, 2023 · 2 min readMystery behind display of "undefined" in the ConsoleHave you also noticed "undefined" appearing on your Console when running certain methods or expressions and wondered why? Well, that's because the Console, which is a tool for debugging and inspecting the state of a web page is designed to display th...00
SMShushma Munirajinshushma.hashnode.dev·Feb 13, 2023 · 3 min readJS Debugging 101: Differentiating TypeError and ReferenceError"Errors come in all shapes and sizes, but at the end of the day, they all mean the same thing - time for some debugging!" A ReferenceError in JavaScript is when you try to use a variable or a function that hasn't been declared or defined yet. Think ...00
SMShushma Munirajinshushma.hashnode.dev·Feb 12, 2023 · 3 min readFine line between'==' and '===' in JavaScriptHave you ever been confused about which comparison operator to use in JavaScript: == or ===? Read on to find out the difference between the two and why it matters. Imagine you have two boxes, each with a different toy inside. One box has a red car an...00
