SOURCE

console 命令行工具 X clear

                    
>
console
var noItems = []
var $ul_noItems = $(".js-onitems")
var $li_noItem = $("<li>").text("sorry, the noItems is no item")
$ul_noItems.append($li_noItem)

var items = ["HTML", "CSS", "JS", "JQ", "VUE"]
var $ul_items = $(".js-items")
items.forEach(item => {
    var $li_item = $("<li>").text(item)
    $ul_items.append($li_item)
})

<ul class="js-onitems"></ul>

<ul class="js-items"></ul>