javaScript¹Ø±Õä¯ÀÀÆ÷ (²»µ¯³öÌáʾ¿ò)
£¼script language="javaScript"£¾
function closeWindow()
{
¡¡window.opener = null;
¡¡window.open(' ', '_self', ' ');
¡¡window.close();
}
£¼/script£¾
£¼input type='button' value='¹Ø±Õ´°¿Ú' onClick="closeWindow()"£¾
»ò
£¼input type="button" value="¹Ø±Õ´°¿Ú" onClick="window.opener = null;
window.open(' ', '_self', ' ');window.close()"£¾
¶ÔÓڹرտò¼Ü´°¿Ú
£¼script language="javaScript"£¾
function closeWindow()
{
window.opener = null;
window.open('', '_top', '');
window.parent.close();
}
£¼/script£¾
Ïà¹ØÎĵµ£º
1.¸¡µãÔËËã
Õâ¿ÉÄÜÊÇ´ì°ÜһЩ¶Ôjavascript²»ÊìϤ²¢×¼±¸Ö´ÐÐһЩÊýѧÔËËãµÄÈ˵ÄÖ÷ÒªÔ
Òò.
<script>
alert(0.02 / 0.1); //0.19999999999999998
alert(1.14 * 100); //113.99999999999999 ;)
......
µÚÈýÕ DOM Scripting DOM±à³Ì
DOM scripting is expensive, and it's a common performance bottleneck in rich web applications. This chapter discusses the areas of DOM scripting that can have a negative effect on an application's responsiveness and gives recommendations o ......
C#´úÂëÓëjavaScriptº¯ÊýµÄÏ໥µ÷ÓÃ
ÎÊ£º
1.ÈçºÎÔÚJavaScript·ÃÎÊC#º¯Êý?
2.ÈçºÎÔÚJavaScript·ÃÎÊC#±äÁ¿?
3.ÈçºÎÔÚC#ÖзÃÎÊJavaScriptµÄÒÑÓбäÁ¿?
4.ÈçºÎÔÚC#ÖзÃÎÊJavaScriptº¯Êý?
ÎÊÌâ1´ð°¸ÈçÏ£º
javaScriptº¯ÊýÖÐÖ´ÐÐC#´úÂëÖеĺ¯Êý£º
·½·¨Ò»£º1¡¢Ê×ÏȽ¨Á¢Ò»¸ö°´Å¥£¬ÔÚºǫ́½«µ÷Óûò´¦ÀíµÄÄÚÈÝдÈëbutton_clickÖÐ ......
2¡¢ÔÐÍ·½Ê½Ð´À࣬ÔÐÍ·½Ê½¼Ì³Ð
core js×ÔÉíµÄ¶ÔÏóϵͳ¾ÍÊDzÉÓÃÔÐÍ·½Ê½(prototype based)¼Ì³ÐµÄ¡£»òÕß˵core
jsûÓвÉÓó£¼ûµÄÀà¼Ì³Ð(class
based)ϵͳ£¬¶øÊÇʹÓÃÔÐͼ̳ÐÀ´ÊµÏÖ×Ô¼ºµÄ¶ÔÏóϵͳ¡£¹¤×÷ÖÐÎÒÃÇÒ²¿ÉÒÔÓÃÔÐÍ·½Ê½À´ÊµÏּ̳У¬´úÂ븴ÓÃÒÔ¹¹½¨×Ô¼ºµÄ¹¦ÄÜÄ£¿é¡£
/**
* ¸¸ÀàPolygon:¶à±ßÐÎ
*
*/
functio ......
JavaScriptʼþ´óÈ«
click() ¶ÔÏó.click() ʹ¶ÔÏó±»µã»÷¡£
closed ¶ÔÏó.closed ¶ÔÏó´°¿ÚÊÇ·ñÒѹرÕtrue/false
clearTimeout(¶ÔÏó) Çå³ýÒÑÉèÖõÄsetTimeout¶ÔÏó
clearInterval(¶ÔÏó) Çå³ýÒÑÉèÖõÄsetInterval¶ÔÏó
confirm("ÌáʾÐÅÏ¢") µ¯³öÈ·ÈÏ¿ò£¬È·¶¨·µ»ØtrueÈ¡Ïû·µ»Øfalse
cursor:Ñùʽ ¸ü¸ÄÊó±êÑùÊ ......