Debouncing

  • Imagine you have a text input field where users are typing. Each keystroke triggers some action, like filtering search results. With debouncing, instead of performing the action immediately on every keystroke, you wait a brief moment after the last keystroke before performing the action.
  • You’re typing in the search bar, and as soon as you stop typing (pause for a moment), then the search is triggered. If you start typing again before that moment is up, the timer resets.
  • This prevents the action from being triggered too frequently, especially in situations where rapid changes aren’t necessary, such as autocomplete suggestions where you don’t need to search for every single letter typed.

How to debounce or throttle input changes in React?

Debouncing and throttling are techniques used to limit the frequency of certain actions, particularly useful for handling input changes like those from user interactions.

Similar Reads

Debouncing:

Imagine you have a text input field where users are typing. Each keystroke triggers some action, like filtering search results. With debouncing, instead of performing the action immediately on every keystroke, you wait a brief moment after the last keystroke before performing the action. You’re typing in the search bar, and as soon as you stop typing (pause for a moment), then the search is triggered. If you start typing again before that moment is up, the timer resets. This prevents the action from being triggered too frequently, especially in situations where rapid changes aren’t necessary, such as autocomplete suggestions where you don’t need to search for every single letter typed....

Throttling:

Throttling is similar to debouncing in that it limits the rate at which a function is executed. However, instead of waiting for a pause before executing the function, throttling ensures the function is executed at a regular interval, regardless of how many times it’s triggered. Picture it like this: You’re scrolling through a webpage, and there’s a function that checks your scroll position and does something (like updating an animation or loading more content). With throttling, even if you scroll like crazy, the function will only execute every, say, 100 milliseconds. This prevents performance issues that might arise from excessively frequent function calls, especially in scenarios like scrolling or mouse movement tracking....

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