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What is the difference between `let` and `const` in JavaScript?

Asked on Sunday, Mar 29, 2026

In JavaScript, "let" and "const" are used to declare variables, but they have different characteristics regarding reassignment and scope. Here's a simple example to illustrate the differences: // Usin…

How can I debounce a function to limit its execution rate in JavaScript?

Asked on Saturday, Mar 28, 2026

Debouncing is a technique to limit the rate at which a function is executed, ensuring it only runs after a specified delay has elapsed since the last time it was invoked. This is particularly useful f…

How can I debounce a function to limit its execution rate?

Asked on Friday, Mar 27, 2026

Debouncing is a technique to limit the rate at which a function is executed. It ensures that the function is only called after a specified delay has passed since the last time it was invoked. function…

How do closures capture variables in JavaScript functions?

Asked on Thursday, Mar 26, 2026

Closures in JavaScript allow a function to capture and remember its lexical environment, even after the function has finished executing. This means a function can access variables from its outer scope…