JS实现下拉选择日期，下拉选择年月日

标签容器

<select id="year_select"></select>
<select id="month_select"></select>

JS如下代码

		   // 年份列表
		   var yearNow = new Date().getFullYear();
		   var yearSel = 2019;
		   for (var i = yearNow; i >= 1900; i--) {
				var temp = yearSel==i?"selected='selected'":"";
				var yearStr = "<option value=\"" + i + "\" " + temp+">"+i+"年</option>";
		        $("#year_select").append(yearStr);
		   }
		    // 月份列表
			var monthSel = 12;
		    for (var i = 1; i <= 12; i++) {
				var temp = monthSel==i?"selected='selected'":"";
		        var monthStr = "<option value=\"" + i + "\" "+temp+">"+i+"月</option>";
		        $("#month_select").append(monthStr);
		    }
		    form.render("select");// layui 框架使用