我想要达到的结果
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>window</title>
<style>
button{
width: 200px;
height: 50px;
}
</style>
<script>
window.onload = () => {
console.log(document.querySelector('.open'));
}
</script>
</head>
<body>
<button class="open">open</button>
<button class="close">close</button>
<script>
console.log(window.document === document);//ture
top = 1;
console.log(top);//指向window本身
document.querySelector('.open').onclick = () => {
open('https://www.baidu.com/','https://www.csdn.net/')
}
document.querySelector('.close').onclick = () => {
close()
}
</script>
</body>
</html>
