<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>js 自定义监听事件及触发
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转载自blog.csdn.net/changliangwl/article/details/82703251
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