我有一个'click'事件,它将页面的背景变成黑色,再次单击同一按钮后,我需要将它变成白色。...
const lightButton = document.getElementById('sleep');
lightButton.addEventListener('click', () => {
Screen.style.background = 'black';
如何添加此代码,以便再次单击按钮后屏幕变为白色?
Screen.style.background = 'white';
LightButton.addEventListener('click', () => {
if(Screen.style.background = 'black')
{
Screen.style.background = 'white';
}
else
{
Screen.style.background = 'black';
}
}