abstract:Document #app{
width: 100px;
height: 100px;
background: pink;
margin: 20px 80px;
}
var app
window.onload=function(){
app=document.getElementById('app')
}
function aa(){
app.style.height='400px';
}
function bb(){
app.style.width='400px';
}
function cc(){
app.style.background='black';
}
function dd(){
app.style.height='100px';
app.style.width='100px';
app.style.background='pink';
}
function ee(){
app.style.display='none';
}
function ff(){
app.style.display='block';
}
Correcting teacher:天蓬老师Correction time:2019-08-20 10:23:59
Teacher's summary:js可以省略语句结尾的分号, 如果你想省略,就全部省略, 风格统一