代码示例:(标识:jsck_win_resizeto)
<!DOCTYPE html>
<html>
<body>

<h1>Window 对象</h1>

<h2>resizeTo() 方法</h2>

<p>打开一个新窗口,并将其调整为 300 x 300:</p>

<button onclick="openWin()">创建窗口</button>
<button onclick="resizeWin()">调整窗口大小</button>

<script>
let myWindow;

function openWin() {
  myWindow = window.open("", "", "width=200, height=100");
}

function resizeWin() {
  myWindow.resizeTo(300, 300);
}
</script>

</body>
</html>
运行结果: