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updateContent

Smoothly updates the content of an HTML element with an erase and write effect.

Ten skrypt nie powinien być instalowany bezpośrednio. Jest to biblioteka dla innych skyptów do włączenia dyrektywą meta // @require https://update.greatest.deepsurf.us/scripts/480392/1283450/updateContent.js 

  1. // ==UserScript==
  2. // @name         updateContent
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.3
  5. // @description  Smoothly updates the content of an HTML element with an erase and write effect.
  6. // @author       IgnaV
  7. // @grant        none
  8. // ==/UserScript==
  9.  
  10. const updateContent = (element, newContent, forceUpdate = false, totalTime = 2000) => {
  11.     const currentContent = element.innerText;
  12.     if (forceUpdate || currentContent !== newContent) {
  13.         const intervalTime = totalTime / (currentContent.length + newContent.length);
  14.         let i = currentContent.length - 1;
  15.         const eraseInterval = setInterval(() => {
  16.             element.innerText = currentContent.substring(0, i--);
  17.             if (i < 0) {
  18.                 clearInterval(eraseInterval);
  19.                 let j = 0;
  20.                 const writeInterval = setInterval(() => {
  21.                     element.innerText = newContent.substring(0, ++j);
  22.                     if (j === newContent.length) {
  23.                         clearInterval(writeInterval);
  24.                     }
  25.                 }, intervalTime);
  26.             }
  27.         }, intervalTime);
  28.     }
  29. };