What are block-scoped variables?
An example of an AI chatbot conversation about block-scoped variables in programming.
Can you explain what block-scoped variables are?
Sure! Block-scoped variables are variables that are only accessible within the block they are defined in, such as within a function or a loop.
What programming languages support block-scoped variables?
Languages like JavaScript (with 'let' and 'const'), Python, and Swift support block-scoped variables.
Can you give me an example of a block-scoped variable in JavaScript?
Of course! Here's an example:
if (true) {
let x = 10; // x is block-scoped
}
console.log(x); // This will throw an error because x is not defined outside the block.
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