js 造事件

MDN 造
https://developer.mozilla.org/zh-CN/docs/Web/API/Document/createEvent

MouseEvent:

MDN https://developer.mozilla.org/zh-CN/docs/Web/API/MouseEvent

w3c https://www.w3schools.com/jsref/obj_mouseevent.asp

let mouseClickEvent = new MouseEvent("click",{
				clientX:400,
				clientY:400,
			})
domXXX.dispatchEvent(mouseClickEvent );