js监听窗口关闭的事件写法

1 let winObj =window.open(url);
2 let loop = setInterval(function() { 
3 if(winObj.closed) { 
4   clearInterval(loop); 
5     _this.setState({
6     isLoading:false
7   })
8 } 
9 }, 1000);

监听新的窗口关闭，通过window返回的closed参数进行判断

转载于:https://www.cnblogs.com/lianer88/p/10999132.html