const a = document.createElement('a');
a.href = 'https://jiaoxue.xyz';
const event = new MouseEvent('click', { view: window, bubbles: true, cancelable: true });
a.dispatchEvent(event);
let a = document.createElement("a");
a.target = "_blank";
a.href = "https://jiaoxue.xyz";
a.click(); //被浏览器拦截