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JavaScript Windowが未だ開いているか
<html>
<head>
<script>
var winobj;
var check_cnt = 1;
var timerId;
function openLink( url ) {
var winname = "dummy";
winobj = window.open(url, winname);
timerId = window.setInterval(checkStatus, 1000);
}
function checkStatus() {
var area = document.getElementById("win_status");
var isClosed = false;
try {
isClosed = winobj.closed;
} catch(e) {
isClosed = true;
}
if (isClosed) {
window.clearInterval(timerId);
}
var winStatus = (isClosed)?"<span style='color:red;'>CLOSED</span>":
"<span style='color:blue;'>OPEN</span>";
area.innerHTML = "確認回数(1.0秒毎) : " + (check_cnt++) + "回, Windouwの状態 :" + winStatus;
}
</script>
</head>
<body>
<div id="win_status" style="border: 1px solid red;width:500px;height:20px;">
</div>
<a href="javascript:openLink('http://google.co.jp');">google</a>
</body>
</html>
© 2006 矢木浩人
