离开画面时的JavaScript确认提示
window.onbeforeunload = function (evt) {
var message = 'Are you sure you want to leave?';
if (typeof evt == 'undefined') {
evt = window.event;
}
if (evt) {
evt.returnValue = message;
}
return message;
}
onbeforeunload 事件参考地址
http://msdn.microsoft.com/en-us/library/ms536907(VS.85).aspx
相关文档：
function RegExpTest(){
var ver = Number(ScriptEngineMajorVersion() + "." + ScriptEngineMinorVersion());
alert("version=="+ver);
if (ver >= 5.5){ // 测试 JScript 的版本。
var src = "The rain in Spain falls mainly in the plain.";
var re = /\w+/g; // ......
<html>
<head>
<mce:script type = "text/javascript"><!--
function changetext()
{
var x = document.getElementById("list");
for (var i = 0;i < x.length;i++ )
{
if (x.options[i].selected)
{
document.getElemen ......
使用try{...}catch(){} 方式，例子如下：
function showAlarm(strObject){
try{
svgElement = document.getElementById(strObject);
svgElement.setAttribute("visibility","visible");
setTimeout("hideAlarm()",3000);//3秒后结束报警
}catch(ex){
alert("函数showAlarm()发生异常："+ex.descrip ......
版权声明：原创作品，允许转载，转载时请务必以超链接形式标明文章 原始出处 、作者信息和本声明。否则将追究法律责任。http://gzycm520.blog.51cto.com/175220/36822
· 事件源对象 event.srcElement.tagName event.srcElement.type
· 捕获释放 event.srcElement.setCapture(); ......
<iframe width='100%' height='100%' name='boot' id='boot' src='' frameborder='0' scrolling='no'></iframe>
<SCRIPT LANGUAGE="JavaScript">
<!--
var iframe = window.frames['boot'];
iframe.document.open();
iframe.document.write('<!DOCTY ......
