Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

javascript ÏÔʾÒþ²Ø±íµÄÒ»ÐÐ

<a href='javascript:add();'>Ìí¼Ó</a>
<a href='javascript:del();'>ɾ³ý</a>
<table width=300 id=tbl>
<tr style='display:none;'><td>11111111111111</td></tr>
<tr style='display:none;'><td>22222222222222</td></tr>
<tr style='display:none;'><td>33333333333333</td></tr>
<tr style='display:none;'><td>44444444444444</td></tr>
</table>
<script>
var key = 0;
var tr = document.getElementById("tbl").getElementsByTagName("tr");
var size = tr.length;
function add()
{
if(key == size)return;
tr[key++].style.display = "block";
}
function del()
{
if(key == 0)return;
tr[--key].style.display = "none";
}
</script>


Ïà¹ØÎĵµ£º

¡¾×ª¡¿javascript IEϵĹرÕie´°¿Ú³öÏÖÌáʾ¹Ø±ÕÎÊÌâ

ÔÚ¿ª·¢Öо­³£»áÓÐÖ±½Ó¹Ø±ÕÒ³Ãæ²»µ¯³öÈκÎÌáʾµÄÐèÇó£¬ÔÚIE6ÖпÉÒÔÖ±½ÓÏóÏÂÃæÕâÑùд¾Í¿ÉÒÔÁË
<mce:script language=javascript><!--
window.opener=null
window.close()
// --></mce:script>
Õâ¸öÎÊÌâÔÚIE7ÖÐÔòÓпÉÄÜÊdzöÓÚijÖÖ°²È«¿¼ÂÇ£¨ÒòΪÔÚMSä¯ÀÀÆ÷µÄ¾ºÕù¶ÔÊÖFFÖУ¬ÊDz»Äܹرշ ......

ÔÚJavaScriptÖÐʵÏÖ¸ßЧµÄStringBuffer

JavaScriptÖеÄStringÊÇÖ»¶ÁµÄ£¬ËùÒÔÿ´Î¶ÔString±äÁ¿µÄ²Ù×÷¶¼»áÔÚÄÚ´æÖвúÉúÒ»¸öÁãʱ±äÁ¿£¬Èç¹ûÒª¶Ô×Ö·û´®½øÐдóÁ¿µÄÖØ¸´²Ù×÷£¬ÐÔÄܺÍЧÂʶ¼»áºÜµÍÏ£¬Òò´Ë³£ÓÃÊý×éµÄ·½·¨²Ù×÷×Ö·û´®£¬¼´ÏȰÑ×Ö·û´®¶¼´æ´¢ÔÚÊý×éÖУ¬È»ºóʹÓÃjoin()·½·¨Á¬½Ó×Ö·û´®¡£
µ±È»¿ÉÒÔ°ÑÕâÖÖ·½·¨ÔÙÑݱäһϣ¬ÔÚJavaScriptÖÐÄ£ÄâStringBufferÀà¡£
¿´ ......

2009 12 25´«ÖDz¥¿Í——JavaScript£ºJQuery


 
ʹÓùýAJAX¼¼ÊõµÄÈ˶¼ÖªµÀ´óÃû¶¦¶¦µÄJQuery¡£ËäÈ»ÎÒÀ´Ñ§Ï°Ö®Ç°Óп´¹ýAJAXµÄÊÓÆµ£¬µ«ÄÇʱ¶ÔWEBÓ¦ÓÃÕâ¸ö¶«Î÷»¹±È½ÏÄ£ºý£¬²»Çå³þHTML¡¢JSPÓëServletÊÇÔõô¹¤×÷µÄ£¬ÉõÖÁ²»ÖªµÀJQuery°ü×°µÄÊÇʲô¶«Î÷¡£½ñÈÕµÄѧϰÔÙ½áºÏ×òÌìµÄJavaScriptDOMµÄÄÚÈÝ£¬ÈÃÎÒ¶Ô´ËÊ®·ÖÇåÎú¡£JQueryÔ­Ôò£º“write less, do more.” ......

JavaScriptµÄnamespace(Ò»)

ÒýÈëÃüÃû¿Õ¼ä֮ǰ£¬Ò»¸öÁ·¢ÈËԱͷÌÛµÄÎÊÌâ¾ÍÊÇÈçºÎ·ÀÖ¹º¯ÊýÃû/ÀàÃûºÍÆäËûÈ˵ijåÍ»£¬ÔÚÒ»¸ö¹«Ë¾ÄÚ²¿ÏîÄ¿×éÖ®¼ä¿ÉÒÔͨ¹ýÃüÃûÔ¤¶¨£¨±ÈÈç¼Óǰ׺
µÈ£©½â¾öÕâ¸öÎÊÌ⣬µ«ÊǰÑÊÓÏ߷ŵ½Õû¸öÈí¼þ¿ª·¢ÁìÓò£¬ÔÚµ±½ñЭ×÷¿ª·¢Ï൱ʢÐеÄʱ´ú£¬Õâ¸öÎÊÌâÈ´ÒÀÈ»´æÔÚ¡£ÔÚʹÓöà¸öµÚÈý·½¿ò¼Ü»òÀà¿âµÄʱºò£¬ÄãΨһÄÜ×÷
µÄ¾ÍÊÇÆíµ»ËüÃǵÄÃüà ......

javascript ÅжÏÖÐÎÄ×Ö·û³¤¶È

<script language="javascript">   
String.prototype.gblen = function() {   
    var len = 0;   
    for (var i=0; i<this.length; i++) {   
        if (this.charCodeAt(i)>127 || this.charCodeAt(i) ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ