Automated script to play the Telegram Gaming Platform demo game Math Battle when played in a browser using devtools. May cause highscore ban.

math-battle-script.js

var target = document.getElementById('task');

var observer = new MutationObserver(function(mutations) {
	var x = parseInt(document.querySelector('#task_x').textContent, 10);
	var y = parseInt(document.querySelector('#task_y').textContent, 10);
	var op = document.querySelector('#task_op').textContent;
	var eq = parseInt(document.querySelector('#task_res').textContent, 10);

	console.log(x, y, op, eq);
	var correct = false;

	switch (op) {
		case '+':
			console.log(`${x} + ${y} = ${x+y}`);
			correct = x + y == eq;
			break;
		case '–':
			console.log(`${x} - ${y} = ${x-y}`);
			correct = x - y == eq;
			break;
		case '×':
			console.log(`${x} x ${y} = ${x*y}`);
			correct = x * y == eq;
			break;
		case '/':
			console.log(`${x} / ${y} = ${x/y}`);
			correct = x / y == eq;
			break;
	}

	console.log(correct);

	// press the correct button
	// timeout added cos otherwise your score easily reaches 20k
	if (correct) {
		var correctButton = document.getElementById('button_correct');
		window.setTimeout(function () {correctButton.click.apply(correctButton)}, 100);
	} else {
		var wrongButton = document.getElementById('button_wrong');
		window.setTimeout(function() {wrongButton.click.apply(wrongButton)}, 100);
	}
});

var config = {subtree: true, characterData: true};

observer.observe(target, config);