Simple Throttle in JavaScript with Custom Implementation

When working with JavaScript, controlling function execution rates can be crucial. Throttle functions limit the frequency of function invocations, preventing overwhelming processing or repetitive user actions.

In this post, we present a simple custom throttle function to achieve this without relying on external libraries like Lodash or Underscore.

The provided throttle function, while functional, exhibits an undesirable behavior: it fires the function again after the throttle time. This can lead to unintended function calls, especially in scenarios like keypress events.

To address this, we recommend implementing throttle functions based on well-tested code from established libraries like Underscore.js or Lodash. Here's a slightly modified version of the Underscore throttle code for your reference:

function throttle(func, wait, options) {
  // ...
}

However, if you prefer a more customized and lightweight approach, consider the following simplified throttle function:

function throttle (callback, limit) {
  // ...
}

This basic function provides a simple way to throttle function executions, with no additional configuration options.

Remember, by providing both custom and open-source options, we strive to cater to various coding preferences and project requirements.