JS動態添加li標籤

HTML代碼

<div class="col-xs-12">
		<ul id="tabName" class="nav nav-tabs" ></ul>
	</div>

JS代碼

$(function () {
		//動態添加li標籤
		var ul = document.getElementById("tabName");
		for (let i =0 ; i < str.length; i++){
			var sname= str[i];
			var newLi = document.createElement("li");
			if(i == str.length-1){
				newLi.className = "active";
			}
			newLi.innerHTML = '<a data-toggle="tab" href="#home" οnclick="showDetails(this)">'+sname+'</a>';
			ul.append(newLi);
		}


		/*	let li = $("#tabName").find("li");
            if (typeof(li) == "undefined"){
            return;
            }
            console.log("li=="+li);
            console.log("li.classNam2"+li[0].className);
            li[3].className = "active";*/
	})