显示/隐藏无序列表

Posted 2021-02-27

This script allows you to show and hide a at the click of a button. See Show / Hide html for Markup.

function enableRightNavExpand() {
  	if (!document.getElementById) return false;
	if (!document.getElementById("rightNav")) return false;
	var nav = document.getElementById("rightNav");
	var navItem = nav.getElementsByTagName("li");
	for (var i = 0; i < navItem.length; i++){
		navItem[i].onclick=function() {
			if (this.className == "selected") {
				this.className = "";
			}
			else if (this.className == ""){
				this.className = "selected";
			}
		}
	}
}