TypeRacer automation

typeracer.js

/*
automates typing in TypeRacer (typeracer.com)
it will try to get secified wpm, but wpm in TypeRacer is complex so its not perfect

use:
-> run `await raceit(wpm)` when race about to start (countdown is ongoing)
*/


async function raceit(wpm) {
	div = document.getElementsByClassName("inputPanel")[0].children[0].children[0].children[0].children[0].children[0].children[0].children[0].children[0].children[0]
    input = document.getElementsByClassName("txtInput")[0]
    
    text = ""
	for (let i = 0; i < div.children.length; i++) {
		text += div.children[i].innerHTML
	}
    
    chrs_count = text.length
    words = text.split(" ")
    words_count = words.filter((v)=>{return v.length > 1;}).length
    words_count += Math.floor((words.length - words_count)/4)
    
    time = ((words_count / wpm)*60*1000) / chrs_count
    
    
    while (input.disabled) { await new Promise(resolve => setTimeout(resolve, 50)); }
    console.log("Started")
    for (let i =0; i < text.length; i++) {
    	input.value += text[i];
        input.dispatchEvent(new Event('mousedown'));
        await new Promise(resolve => setTimeout(resolve, time));
    }
    
}