Cache Storage API All In One

caches;
// CacheStorage {}[[Prototype]]: CacheStoragedelete: ? delete()has: ? has()keys: ? keys()match: ? match()open: ? open()constructor: ? CacheStorage()Symbol(Symbol.toStringTag): "CacheStorage"[[Prototype]]: Object

https://developer.mozilla.org/en-US/docs/Web/API/CacheStorage

Cache

https://developer.mozilla.org/en-US/docs/Web/API/Cache

Service Workers

Web Workers

Web Workers makes it possible to run a script operation in a background thread separate from the main execution thread of a web application.

Web Workers 可以在与 Web 应用程序的主执行线程分开的后台线程中运行脚本操作。

onmessage = function(e) {
  console.log('Worker: Message received from main script');
  const result = e.data[0] * e.data[1];
  if (isNaN(result)) {
    postMessage('Please write two numbers');
  } else {
    const workerResult = 'Result: ' + result;
    console.log('Worker: Posting message back to main script');
    postMessage(workerResult);
  }
}

const first = document.querySelector('#number1');
const second = document.querySelector('#number2');

const result = document.querySelector('.result');

if (window.Worker) {
  // ?
  const myWorker = new Worker("worker.js");

  first.onchange = function() {
    myWorker.postMessage([first.value, second.value]);
    console.log('Message posted to worker');
  }

  second.onchange = function() {
    myWorker.postMessage([first.value, second.value]);
    console.log('Message posted to worker');
  }

  myWorker.onmessage = function(e) {
    result.textContent = e.data;
    console.log('Message received from worker');
  }
} else {
  console.log('Your browser doesn\'t support web workers.');
}

https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API

https://github.com/mdn/simple-web-worker

refs

https://web.dev/learn/pwa/caching/

https://web.dev/storage-for-the-web/

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