Udemy Javascript The Weird Parts _verified_ -

She has memorized the what , but has no idea about the why . Sarah buys the course, skeptical of the cheesy title. In the first few minutes, Anthony Alicea (calm, whiteboard in hand) says something radical: "JavaScript has a few critical 'weird parts' that seem like bugs, but are actually features. Once you understand them, you stop fighting the language and start wielding it."

He draws a box. "The browser creates an Execution Context. Before a single line of your code runs, the parser does a memory pass." Suddenly, Sarah understands why she can call a function before it's defined. The weirdness becomes logical . udemy javascript the weird parts

Here is the "good story" of why that course became a legend. Picture a junior developer (let's call her Sarah) in 2015. She knows loops, functions, and arrays. She can build a to-do app by copy-pasting jQuery snippets. She has memorized the what , but has no idea about the why