JavaScript 从一次点击弹出一个元素

Posted 2021-05-19

function popup() {
	var id = document.getElementById(ID);
	var screenW = document.body.clientWidth;
	id.style.left = (screenW - 850)/2 + 515 + "px";
	if (id.style.display == "none") {
		id.style.display = "block";
	}
	else {
		id.style.display = "none";
	}
}