问题描述
制作这个超级简单的游戏。您按住空格键,计时器启动,当您松开空格键时,它会停止,如果您击败了高分,那么它将更新高分,否则它将计时器重置为 0 并保持高分不变。如果计时器低于高数,我将无法获得高分以保持不变。每次都变
`use strict`;
let timer = document.getElementById(`number`);
let highscore = document.getElementById(`highNumber`);
let resetBtn = document.getElementById(`resetBtn`);
let timerNumber = 0;
startTimer();
function init() {}
function startTimer() {
document.addEventListener('keydown',(event) => {
if (event.code === 'Space') {
timer.textContent = timerNumber++;
}
});
}
document.addEventListener(`keyup`,(event) => {
if (timer.textContent > highscore.textContent) {
highscore.textContent = timerNumber;
timer.textContent = 0;
timer.textContent = 0;
timerNumber = 0;
}
if (timer.textContent < highscore.textContent) {
timer.textContent = 0;
timer.textContent = 0;
timerNumber = 0;
}
});
function reset() {
resetBtn.addEventListener(`click`,function () {
highscore.innerHTML = 0;
});
}
reset();
解决方法
不要将 keyup
或 keydown
事件添加到 document
将其添加到 <html>
标签:
document.querySelector("html").addEventListener('keydown',(event)=>{
//something
});