Javascript ÉèÖÃtextareaÊäÈë¿òµÄ×î´óÖµ
<html>
<head>
<title>²âÊÔÊäÈë×Ö·û</title>
<script language=javascript>
String.prototype.lenB =function(){
return this.replace(/[^\x00-\xff]/g,"**").length;
}
function a(){
var str=document.getElementById("content").value;
if(str.length <= 180){
abc.innerText="ÄúÒѾÊäÈë"+str.length+"/180¸ö×Ö£¨Ã¿Ìõ¶ÌÐÅ×î¶à70¸ö×Ö£¬³¬¹ý·Ö¶àÌõ·¢ËÍ£©";
}else{
abc.innerText="×î¶àÖ»ÔÊÐíÊäÈë180¸ö×Ö¡£"
}
}
</script>
</head>
<body>
<textarea onpropertychange="if(value.length>80) value=value.substr(0,80)" id="content" onkeyup="a();"></textarea>
<input maxlength="5"/>
<p id="abc"></p>
</body>
</h tml>
Ïà¹ØÎĵµ£º
1. Êý¾ÝÀàÐÍ
javascriptÖаüº¬6ÖÖÊý¾ÝÀàÐÍ£ºundefined¡¢null¡¢string¡¢number¡¢booleanºÍobject¡£ÆäÖУ¬Ç°5
ÖÖÊÇÔʼÊý¾ÝÀàÐÍ£¬objectÊǶÔÏóÀàÐÍ¡£
objectÀàÐÍÖаüÀ¨Object¡¢Function¡¢String¡¢Number¡¢Boolean¡¢Array¡¢Regexp¡¢Date¡¢
Globel¡¢Math¡¢Error£¬ÒÔ¼°ËÞÖ÷»·¾³ÌṩµÄobjectÀàÐÍ¡£
2. ÀàÐÍÅжÏ
ͨ³£ÔÚjav ......
javascriptÖÐwindow¶ÔÏóµÄ·½·¨ºÍÊôÐÔ×ÊÁÏ
ÒýÓãºhttp://www.cnblogs.com/Athrun/archive/2008/04/16/1156291.html
Window¶ÔÏóÊǿͻ§¶Ëjavascript×î¸ß²ã¶ÔÏóÖ®Ò»£¬Ö»Òª´ò¿ªä¯ÀÀÆ÷´°¿Ú£¬²»¹Ü¸Ã´°¿ÚÖÐÊÇ·ñÓдò¿ªµÄÍøÒ³£¬µ±Óöµ½BODY¡¢FRAMESET»òFRAMEÔªËØÊ±£¬¶¼»á×Ô¶¯½¨Á¢window¶ÔÏóµÄʵÀý¡£ÁíÍ⣬¸Ã¶ÔÏóµÄʵÀýÒ²¿ÉÓÉwi ......
ÔÚ×öÍøÕ¾µÄʱºò£¬ÎÒÃǾ³£ÐèÒª¶Ô³ß´ç³¬±êµÄͼƬ½øÐÐËõ·Å¡£
ÓÉÓÚä¯ÀÀÆ÷µÄ²îÒ죬ÓÐЩ´úÂëijЩä¯ÀÀÆ÷¹¤×÷²»Õý³£¡£
¾¹ýÑо¿µÃµ½ÁËÒÔϵĴúÂ룬Ëü¿ÉÒÔÔÚIE6,IE8,FireFoxÖÐÍêÃÀµØ°´±ÈÀýËõ·ÅͼƬ¶ø²»Ê§Õæ¡£
//¸Ä±äͼƬ´óС
function resizepic(o)
{
var maxwidth=550; //¶¨Òå×î´ó¿í¶È
var maxheight=800;&nbs ......
function openCheck()
{
if (!this.external)
{
app.alert("Acrobat¤Ç¤Ï実ÐФǤ¤Þ¤»¤ó");
this.closeDoc(true);
// var myDoc = event.target;
// myDoc.closeDoc(true);
}
}
openCheck();
ÐèҪעÒâµÄÊÇ:
1. ÉÏÊöµÄsourceÖ»ÄÜÔÚPDF ÓÃAcrobat Reader´ò¿ªÊ±²ÅÆð×÷ÓÃ,
ÈçÓÃIEµÈ´ò¿ªÊ±»á±¨¡¸NotSu ......
Link:http://topic.csdn.net/u/20100317/15/687e21bc-40f3-4f0e-bc22-5f2a32ceb1a3.html?seed=1664090183&r=63989333#r_63989333
<HTML>
<head>
<title>sample</title>
<mce:script language="JavaScript"><!--
var c="FFFFFF";
window.onload=function (){
setInterval(s ......