一、传统方法jquey change

 

       $('#village_id').trigger('change');$("#village_id").val('99');$("#village_id").change();

不生效

二、传统方法jquey 

 $('#village_id').trigger('change');

四、传统方法jquey 

<input type="text" />
<button>赋值</button>
<script src="js/jquery.min.js"></script>
<script>$(function(){// 按钮点击事件$("button").on('click', function(){$("input").val("赋值成功");});// input值改变事件$("input").on('change', function(){$("button").after("<p>change事件触发</p>")});});
</script>

五、js 原生方法 new Event('change');

 const 园区 = document.getElementById('village_id');
const event = new Event('change');
园区.dispatchEvent(event);

 

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