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; // ......
JavaScript gives HTML designers a programming tool - HTML authors are normally not programmers, but JavaScript is a scripting language with a very simple syntax! Almost anyone can put small "snippets" of code into their HTML pages
JavaScript can put dynamic text into an HTML page - A Ja ......
function BOX_show(e,obj)//显示
{
if(obj<24)
document.cookie = "tdid="+obj;
if(document.getElementById(e)==null)
{
return ;
}
&n ......
window
window对象是浏览器或者框架自身.top总是浏览器,parent是父框架,self表示自己.
window通常可以省略.
窗口操作: moveBy(dx, dy), moveTo(x, y),
resizeBy(dw, dh), resizeTo(w, h).
导航: window.open(url, frame
name, attribute). attribute可以是left, top, height, width, resizable,
scrollable, too ......
DOM
节点类型的12个常量:
Node.ELEMENT_NODE
Node.ATTRIBUTE_NODE
Node.TEXT_NODE
Node.CDATA_SECTION_NODE
Node.ENTITY_REFERENCE_NODE
Node.ENTITY_NODE
Node.PROCESSING_INSTRUCTION_NODE
Node.COMMENT_NODE
Node.DOCUMENT_NODE
Node.DOCUMENT_TYPE_NODE
Node.DOCUMENT_FRAGMENT_NODE
Node.NOTATION_NODE
......
