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Speech Synthesis for MonkeyType

A userscript that uses speech synthesis to read out the words on monkeytype.com. This is helpful for improving typing speed while listening to the words.

当前为 2023-05-21 提交的版本，查看 最新版本。

// ==UserScript==
// @name         Speech Synthesis for MonkeyType
// @namespace    http://github.com/mefengl
// @version      0.0.1
// @description  A userscript that uses speech synthesis to read out the words on monkeytype.com. This is helpful for improving typing speed while listening to the words.
// @author       mefengl
// @match        https://monkeytype.com/
// @icon         https://www.google.com/s2/favicons?sz=64&domain=monkeytype.com
// @grant        none
// @license MIT
// ==/UserScript==

(function() {
    'use strict';

    let lastSpoken = '';

    const targetNode = document.getElementById('words');

    const pollElement = () => {
        const text = targetNode.innerText.replace(/\n/g, ' ');
        if (text !== lastSpoken) {
            if (lastSpoken !== '') {
                speechSynthesis.cancel();
            }
            lastSpoken = text;
            let utterance = new SpeechSynthesisUtterance(text);
            utterance.rate = 0.2;
            speechSynthesis.speak(utterance);
        }
    };

    setInterval(pollElement, 500);
})();