有人知道使下面的代码('crosswindow')工作以跟踪由函数 openNew() 打开的多个窗口的最佳解决方案吗?
它目前只能跟踪一个窗口。我尝试了一些对象的东西,但我不是专家。欢迎所有建议。
Javascript:
function openNew(href){
timer = setInterval('polling()',500);
win = window.open(href, '_blank');
url=href;
openTime=0;
clickTime= (new Date()).getTime();
}
function polling(){
if (win && win.closed) {
var closingTime = (new Date()).getTime();
var diff = ((closingTime-clickTime)/1000);
clearInterval(timer);
console.log(url+" closed after " + diff + " secs");
}
}
HTML
<a href="http://google.com" onClick="openNew('http://google.com'); return false;" target="_blank">google</a>
<a href="https://facebook.com" onClick="openNew('https://facebook.com'); return false;" target="_blank">facebook</a>
最终的目标是能够从父页面打开多个新窗口,并且当子窗口关闭时,其会记录在父窗口中。
我制作了一支带有控制台模拟的笔(以避免无限循环警报) http://codepen.io/anon/pen/EjGyQz?editors=101
最佳答案
因此,您只需将对轮询的调用包装在闭包中,并将所有变量传递给它,这样它就不会覆盖旧的变量:
http://codepen.io/anon/pen/GJPqwm?editors=101
function openNew(href){
var current = window.open(href, '_blank');
var clickTime= (new Date()).getTime();
(function(win, url, clickTime) {
var timer = setInterval(function() { polling(win, timer, url, clickTime) },500);
})(current, href, clickTime);
}
function polling(win, timer, url, clickTime){
if (win && win.closed) {
var closingTime = (new Date()).getTime();
var diff = ((closingTime-clickTime)/1000);
clearInterval(timer);
//replace console with div log
document.getElementById('log').innerHTML += url+" closed after " + diff + " secs<br>";
}
}
关于javascript - 跟踪多个窗口关闭 javascript(有一个窗口的工作代码),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31752164/