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How to lazyload Javascript using LocalStorage

Learn efficient JavaScript lazy loading with LocalStorage for improved website performance.
How to lazyload Javascript using LocalStorage
Learn efficient JavaScript lazy loading with LocalStorage for improved website performance. Website performance is a critical factor in providing a smooth and enjoyable user experience. One common technique to enhance performance is lazy loading JavaScript. Lazy loading allows you to load JavaScript files only when they are needed, reducing initial page load times and conserving bandwidth. In this tutorial, we'll explore an interesting twist on lazy loading by leveraging the power of LocalStorage, a web storage technology available in modern browsers. By the end of this guide, you'll have a solid understanding of how to implement lazy loading with LocalStorage and optimize your website's performance. I have written a JavaScript Library which can be used to lazyload resources. To use it, paste the following JavaScript code in the head section of your webpage. /** * Lazyload by Fineshop Design * * License: MIT */ window.lazy = new Promise((resolve) => { const localKey …

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4 comments

  1. Team Tokko
    How to implememtation ?
    1. Deo K.
      I have updated the post describing how you can implement it with few examples.
  2. Tanvirul.
    hello sir,
    Where you have written "Load your JS dynamically" and "Make HTTP requests" in these two places, please tell me how to put them.
    1. Deo K.
      Hey, I have updated the example code which shows how you can lazyload JavaScript from external sources. In the same way, you can make HTTP requests using XMLHttpRequest Constructor or Fetch API.
      Thank you!