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#js自定义监听事件及触发

原文连接：https://blog.csdn.net/changliangwl/article/details/82703251

js自定义监听事件及触发

<html>
<body>
<input id="input" >
<button onclick="myEvent()">myEvent</button>
</body>
</html>
<script type="text/javascript">
var objj=document.getElementById('input');
objj.addEventListener('myEvent',function(event){alert(event.detail.title)},true);
function myEvent(){
 var myEvent = new CustomEvent('myEvent', { 
    detail: { title: 'This is title!'},
 });
 objj.dispatchEvent(myEvent);
}
</script>
posted @ 2021-10-16 10:36  biuo  阅读(519)  评论(0)  编辑  收藏  举报