Kevin Powell - Community•16mo ago

google extension to extract words from every websites everytime I click in it

hi, I want to make a google extension to extract words from every websites everytime I click in a certain word inside the page. And I want it to popup it as a list of words. But I don't know what i wrong with my code so I don't achieve what I want. popup.js

document.addEventListener('DOMContentLoaded', () => {
    const wordList = document.getElementById('word-list');
  
    chrome.runtime.sendMessage({ action: 'getWords' }, (response) => {
      const { words } = response;
      words.forEach((word) => {
        const listItem = document.createElement('li');
        listItem.textContent = word;
        wordList.appendChild(listItem);
      });
    });
  });

document.addEventListener('DOMContentLoaded', () => {
    const wordList = document.getElementById('word-list');
  
    chrome.runtime.sendMessage({ action: 'getWords' }, (response) => {
      const { words } = response;
      words.forEach((word) => {
        const listItem = document.createElement('li');
        listItem.textContent = word;
        wordList.appendChild(listItem);
      });
    });
  });

content.js

function extractWords() {
    const textContent = document.body.innerText;
    const words = textContent.split(/\s+/).filter((word) => /^[a-zA-Z]+$/.test(word));
    return words;
  }
  
  const words = extractWords();
  chrome.runtime.sendMessage({ action: 'updateWords', words });

function extractWords() {
    const textContent = document.body.innerText;
    const words = textContent.split(/\s+/).filter((word) => /^[a-zA-Z]+$/.test(word));
    return words;
  }
  
  const words = extractWords();
  chrome.runtime.sendMessage({ action: 'updateWords', words });

background.js file

let extractedWords = [];

chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
  if (message.action === 'updateWords') {
    extractedWords = extractedWords.concat(message.words);
    chrome.storage.local.set({ words: extractedWords });
  }

  if (message.action === 'getWords') {
    sendResponse({ words: extractedWords });
  }
});

let extractedWords = [];

chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
  if (message.action === 'updateWords') {
    extractedWords = extractedWords.concat(message.words);
    chrome.storage.local.set({ words: extractedWords });
  }

  if (message.action === 'getWords') {
    sendResponse({ words: extractedWords });
  }
});

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google extension to extract words from every websites everytime I click in it