<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
body {
font-family: "Microsoft YaHei", serif;
}
body, dl, dd, p, h1, h2, h3, h4, h5, h6 {
margin: 0;
}
ol, ul, li {
margin: 0;
padding: 0;
list-style: none;
}
img {
border: none
}
.wrap{
width: 200px;
height: 200px;
background-color: #cc3366;
}
</style>
</head>
<body>
<div class="wrap">123</div>
<div class="wrap">456</div>
<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>
<script>
let aWrap = document.querySelectorAll(".wrap");
let a = new Promise((resolve, reject) => {
aWrap[0].addEventListener("click",f);
function f() {
console.log(1);
resolve();
}
});
let b = new Promise((resolve, reject) => {
aWrap[1].addEventListener("click",f);
function f() {
console.log(2);
resolve();
}
});
Promise.all([a,b]).then(
()=>{
console.log("都被点击才触发");
}
)
</script>
</body>
</html>
Python3Turtle