Preface xxi 1 Number Systems 1 1.1 Analogue Versus Digital 1 1.2 Introduction to Number Systems 2 1.3 Decimal Number System 2 1.4 Binary Number System 3 1.4.1 Advantages 3 1.5 Octal Number System 4 1.6 Hexadecimal Number System 4 1.7 Number Systems
本文实例讲述了js判断子窗体是否关闭的方法。分享给大家供大家参考。具体如下：
function InsideMessageAdd() {
//window.open()得到子窗体
tip = OpenDialog('UploadFile.html?tp=nbtz', 'msg', 650, 180);
//启动timer，判断子窗体是否关闭
timer = window.setInterval("IfWindowClosed()", 500);
}
var timer;
var tip
