锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲欧美成aⅴ人在线观看,日本亚洲成高清一区二区三区,亚洲AV伊人久久青青草原http://m.tkk7.com/zhangchao/category/29889.htmlDon't Cry!zh-cnFri, 30 May 2008 01:28:21 GMTFri, 30 May 2008 01:28:21 GMT60javascript鏁扮粍涓殑splice鏂規硶http://m.tkk7.com/zhangchao/archive/2008/05/28/203462.htmlzhangchaozhangchaoWed, 28 May 2008 04:58:00 GMThttp://m.tkk7.com/zhangchao/archive/2008/05/28/203462.htmlhttp://m.tkk7.com/zhangchao/comments/203462.htmlhttp://m.tkk7.com/zhangchao/archive/2008/05/28/203462.html#Feedback0http://m.tkk7.com/zhangchao/comments/commentRss/203462.htmlhttp://m.tkk7.com/zhangchao/services/trackbacks/203462.html
arrayObject.splice(index,howmany,element1,..,elementX)
index:蹇呴夐」.鎸囧畾鍦ㄥ摢涓綅緗姞鍏?鍒犻櫎鍏冪礌,蹇呴』鏄暟瀛?
howmany:蹇呴夐」.鎸囧畾鏈夊灝戝厓绱犲簲璇ヨ鍒犻櫎,蹇呴』鏄暟瀛?鍙互鏄?0".
element1:鍙?鎸囧畾瑕佸姞鍏ュ埌鏁扮粍涓殑鏂板厓绱?
elementX:鍙?鍙互鍔犲叆澶氫釜鍏冪礌.
璇存槑:濡傛灉howmany涓?鎴?0",鍒欒鏁扮粍涓皢娌℃湁鍏冪礌琚垹闄?閭d箞element1鑷砮lementX涓弬鏁板皢浠巌ndex鎸囧畾鐨勪綅緗彃鍏ュ埌璇ユ暟緇勪腑,鏁扮粍涓師浣嶇疆鐨勫厓绱犲皢鍚庣Щ.濡傛灉howmany涓嶄負0,鍒欎粠index鎸囧畾浣嶇疆寮濮嬪垹闄owmany涓厓绱?鍖呮嫭index浣嶇疆鐨勫厓绱?,鐒跺悗鍐嶄粠index寮濮嬫彃鍏lement1鑷砮lementX涓弬鏁?鏁扮粍涓師浣嶇疆鐨勫厓绱犲皢鍚庣Щ.
渚?:
<script type="text/javascript">
var arr 
= new Array(5);
arr[
0= "Jani";
arr[
1= "Hege";
arr[
2= "Stale";
arr[
3= "Kai Jim"
arr[
4= "Borge";
document.write(arr 
+ "<br />");
arr.splice(
2,0,"Lene");
document.write(arr 
+ "<br />");
</script>
杈撳嚭緇撴灉涓?
Jani,Hege,Stale,Kai Jim,Borge
Jani,Hege,Lene,Stale,Kai Jim,Borge
渚?:
<script type="text/javascript">
var arr 
= new Array(5);
arr[
0= "Jani";
arr[
1= "Hege";
arr[
2= "Stale";
arr[
3= "Kai Jim";
arr[
4= "Borge";
document.write(arr 
+ "<br />");
arr.splice(
2,1,"Tove");
document.write(arr);
</script>
杈撳嚭緇撴灉涓?
Jani,Hege,Stale,Kai Jim,Borge
Jani,Hege,Tove,Kai Jim,Borge
渚?:
<script type="text/javascript">
var arr 
= new Array(5);
arr[
0= "Jani";
arr[
1= "Hege";
arr[
2= "Stale";
arr[
3= "Kai Jim";
arr[
4= "Borge";
document.write(arr 
+ "<br />");
arr.splice(
2,3,"Tove");
document.write(arr);
</script>
杈撳嚭緇撴灉涓?
Jani,Hege,Stale,Kai Jim,Borge
Jani,Hege,Tove


zhangchao 2008-05-28 12:58 鍙戣〃璇勮
]]>
鎴戞墍鐞嗚В鐨勫師鍨嬪璞?/title><link>http://m.tkk7.com/zhangchao/archive/2008/05/09/199550.html</link><dc:creator>zhangchao</dc:creator><author>zhangchao</author><pubDate>Fri, 09 May 2008 08:43:00 GMT</pubDate><guid>http://m.tkk7.com/zhangchao/archive/2008/05/09/199550.html</guid><wfw:comment>http://m.tkk7.com/zhangchao/comments/199550.html</wfw:comment><comments>http://m.tkk7.com/zhangchao/archive/2008/05/09/199550.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.tkk7.com/zhangchao/comments/commentRss/199550.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/zhangchao/services/trackbacks/199550.html</trackback:ping><description><![CDATA[        浼楁墍鍛ㄧ煡,javascript涓殑緇ф壙鏄氳繃鍘熷瀷瀵硅薄(prototype)鏉ュ疄鐜扮殑.鍘熷瀷瀵硅薄鏄敱鍑芥暟鐨勬瀯閫犲嚱鏁板垱寤?瀹冩墍鎷ユ湁鐨勫睘鎬ц兘琚墍鏈夊璞″叡浜?鍒濆鏃跺師鍨嬪璞℃寚鍚戜竴涓狾bject瀵硅薄,騫朵笖瀹氫箟浜嗕竴涓猚onstructor灞炴?璇ュ睘鎬ф寚鍚戝畾涔夎鍘熷瀷瀵硅薄鐨勬瀯閫犲嚱鏁版湰韜?涓婅堪榪囩▼鍙互鐞嗚В涓轟互涓嬩唬鐮?<br /> <div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; word-break: break-all; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee"><span style="color: #0000ff">function</span><span style="color: #000000"> BaseClass() {<br />     document.write('This is BaseClass.');<br /> }<br /> BaseClass.prototype </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> Object();<br /> BaseClass.prototype.constructor </span><span style="color: #000000">=</span><span style="color: #000000"> BaseClass;</span></div> 鍥犱負鍘熷瀷瀵硅薄鐨勬墍鏈夊睘鎬ц兘琚瀯閫犲嚱鏁板垱寤哄璞″叡浜?鎵浠ュ垱寤虹殑瀵硅薄鍙互璁塊棶榪欓噷鐨刢onstructor灞炴?<br /> <div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; word-break: break-all; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee"><span style="color: #0000ff">var</span><span style="color: #000000"> c </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> BaseClass();<br /> document.write(c.constructor </span><span style="color: #000000">==</span><span style="color: #000000"> BaseClass); </span><span style="color: #008000">//</span><span style="color: #008000">true</span><span style="color: #008000"><br /> </span><span style="color: #000000">c.constructor(); </span><span style="color: #008000">//</span><span style="color: #008000">璋冪敤BaseClass鍑芥暟,杈撳嚭This is BaseClass.</span></div> 鐢變簬瀵硅薄鏈韓涔熷彲浠ヨ嚜瀹氫箟灞炴?鎵浠ュ湪璇誨彇瀵硅薄灞炴ф椂js鍏堟鏌ヨ瀵硅薄鏄惁瀹氫箟浜嗚灞炴?濡傛灉宸茬粡瀹氫箟浜嗗垯浣跨敤璇ュ睘鎬?濡傛灉娌℃湁瀹氫箟鍒欏啀浠庡叾鍘熷瀷瀵硅薄涓鍙栬灞炴?鎵浠ュ鏋滃璞¤嚜瀹氫箟鐨勫睘鎬у拰鍏跺師鍨嬩腑鐨勫睘鎬у瓨鍦ㄩ噸鍚嶅垯鑷畾涔夊睘鎬?闅愯棌"浜嗗叾鍘熷瀷瀵硅薄涓殑鍚屽悕灞炴?渚?<br /> <div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; word-break: break-all; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee"><span style="color: #000000">c.constructor </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">function</span><span style="color: #000000">() {<br />     document.write('This is c');<br /> }<br /> c.constructor(); </span><span style="color: #008000">//</span><span style="color: #008000">This is c</span></div> 鍔犲叆涓婅堪浠g爜涔嬪悗鍐嶆璋冪敤c.constructor(),鍒欎細鎵撳嵃鍑?This is c".榪欐槸鍥犱負c宸茶嚜瀹氫箟constructor灞炴?闅愯棌"浜嗗叾鍘熷瀷瀵硅薄涓殑constructor灞炴?褰撶劧js淇濊瘉浜嗚鍐欑殑涓嶅縐版?涔熷氨鏄璇誨彇涓涓璞$殑灞炴ф椂鏈夊彲鑳借浠庡叾鍘熷瀷瀵硅薄涓幓璇誨彇,浣嗗啓涓涓璞$殑灞炴ф椂鍗翠粠涓嶆秹鍙婂叾鍘熷瀷瀵硅薄,鏃犺鍦ㄤ竴涓璞″姞鍏ユ垨淇敼澶氬皯灞炴ц繖閮戒笉褰卞搷鍏跺師鍨嬪璞′腑灞炴х殑鏈潵闈㈢洰.姣斿榪欓噷c鑷畾涔変簡constructor灞炴?浣嗚繖涓琛屼負騫朵笉褰卞搷鍏跺師鍨嬪璞′腑constructor鎸囧悜鍏舵瀯閫犲嚱鏁拌繖涓浜嬪疄,濡傛灉鍐嶅垱寤轟竴涓璞′笖涓嶈嚜瀹氫箟constructor灞炴?鍐嶈皟鐢╟onstructor鍒欎緷鐒惰皟鐢ㄥ璞$殑鏋勯犲嚱鏁?渚?<br /> <div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; word-break: break-all; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee"><span style="color: #0000ff">var</span><span style="color: #000000"> b </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> BaseClass();<br /> b.constructor(); </span><span style="color: #008000">//</span><span style="color: #008000">璋冪敤BaseClass鍑芥暟,杈撳嚭This is BaseClass.</span></div> <p>寰堝鏄撶悊瑙s涓轟粈涔堣繖鏍峰仛,鍥犱負涓涓璞$殑琛屼負涓嶈兘褰卞搷鍒板叾浠栧璞?鍚﹀垯灝嗕細閫犳垚娣蜂貢.<br />         鐞嗚В涓婅堪瑙勫垯涔嬪悗璁╂垜浠湅鐪媕s涓槸濡備綍閫氳繃鍘熷瀷瀵硅薄瀹炵幇緇ф壙鐨?褰撴垜浠垱寤轟竴涓璞℃椂,鍙互鎶婅瀵硅薄鐪嬫垚鏄敱2閮ㄥ垎緇勬垚鐨?涓閮ㄥ垎瀛樺偍浜嗚瀵硅薄鑷繁瀹氫箟鐨勫睘鎬?縐頒負A閮ㄥ垎),鑰屽彟涓涓儴鍒嗗垯瀛樺偍浜嗗叾鏋勯犲嚱鏁版墍瀹氫箟鐨勫師鍨嬪璞″紩鐢?縐頒負B閮ㄥ垎),渚嬪榪欓噷鐨凚aseClass.prototype.褰撹鍙栧璞$殑灞炴ф椂鍙互鍒嗕負浠ヤ笅2姝?<br /> 1.js鍏堟鏌ヨ瀵硅薄寮曠敤鎵鎸囧悜鐨勫唴瀛樺尯鍩熺殑A閮ㄥ垎鏄惁瀛樺湪璇ュ睘鎬?濡傛灉瀛樺湪鍒欒鍑?<br /> 2.濡傛灉娌℃湁鍒欏啀浠嶣閮ㄥ垎瀛樺偍鐨勫紩鐢?BaseClass.prototype)鎵鎸囧悜鐨勫唴瀛樺尯鍩熶腑璇誨彇璇ュ睘鎬?</p> <p>浠庢楠?寮濮嬭繖灝辨槸涓笉鏂線涓婂鎵劇殑榪囩▼,鍥犱負BaseClass.prototype鎵鎸囧悜鐨勫唴瀛樺尯鍩熶篃浼氬垎涓篈鍜孊涓や釜閮ㄥ垎,濡傛灉鍐岮閮ㄥ垎涔熶笉瀛樺湪璇ュ睘鎬?鍒欏張浼氫粠鍏禕閮ㄥ垎鎵鎸囧悜鐨勫唴瀛樺尯鍩熷幓瀵繪壘璇ュ睘鎬?鑰岃鍐呭瓨鍖哄煙涔熸湁A鍜孊涓や釜閮ㄥ垎,濡傛灉A閮ㄥ垎浠嶇劧涓嶅瓨鍦?鍒欒繕瑕佷粠B閮ㄥ垎鎵鎸囧悜鐨勫唴瀛樺尯鍩熷幓瀵繪壘璇ュ睘鎬?鐩村埌杈懼埌鏈欏跺眰鐨凮bject綾?鎵浠ュ湪鏃犲艦褰撲腑灝卞艦鎴愪簡涓鏉¢摼,涔熷氨鏄垜浠父璇寸殑鍘熷瀷閾?濡傛灉鐞嗚В浜嗚繖涓繃紼嬫垜鎯充篃灝辮兘浜嗚В鍘熷瀷瀵硅薄浜?涓嬮潰綆鍗曞垎鏋愪笅b.constructor();鐨勮皟鐢ㄨ繃紼嬩究浜庡姞娣辯悊瑙?<br /> 1.js浼氬湪b鎵鎸囧悜鐨勫唴瀛樺尯鍩烝閮ㄥ垎璇誨彇constructor灞炴?<br /> 2.褰撳彂鐜版病鏈夎灞炴у悗鍐嶄粠鍏剁被鐨勬瀯閫犲嚱鏁板師鍨嬪璞″紩鐢ㄦ墍鎸囧悜鐨勫唴瀛樺尯鍩熻鍙栬灞炴?鍥犱負鍘熷瀷瀵硅薄寮曠敤鍒濆鏃舵寚鍚戜竴Object瀵硅薄鍐呭瓨鍖哄煙(BaseClass.prototype = new Object();)<br /> 3.鍐嶄粠姝bject瀵硅薄鐨凙閮ㄥ垎瀵繪壘constructor灞炴?<br /> 4.娌℃湁鎵懼埌璇ュ睘鎬у垯浠庡叾綾葷殑鍘熷瀷瀵硅薄鍗砄bject.prototype涓幓瀵繪壘constructor.<br /> 5.濡傛灉鎵懼埌璇ュ睘鎬у垯璋冪敤.<br /> 6.鍚﹀垯,鍒拌揪閾劇殑欏剁,榪斿洖.<br /> 鍒版鑳藉緢娓呮鐨勭煡閬搄s涓槸濡備綍瀹炵幇緇ф壙鐨?濡傛灉鎴戜滑鑷畾涔夌殑綾諱笉鎯崇戶鎵胯嚜Object,鍒欏彲浠ヤ慨鏀瑰叾prototype鐨勬寚鍚?鍙互璁╁叾鎸囧悜浠繪剰涓涓被,榪欐牱涔熷氨瀹炵幇浜嗙戶鎵胯嚜瀹氫箟綾?浣唈s涓墍鏈夌殑綾婚兘緇ф壙鑷狾bject綾?鎵浠ュ師鍨嬮摼鐨勫叧緋諱粛鐒跺瓨鍦?</p> <img src ="http://m.tkk7.com/zhangchao/aggbug/199550.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/zhangchao/" target="_blank">zhangchao</a> 2008-05-09 16:43 <a href="http://m.tkk7.com/zhangchao/archive/2008/05/09/199550.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>javascript涓殑閫昏緫鎿嶄綔絎?/title><link>http://m.tkk7.com/zhangchao/archive/2008/03/13/185941.html</link><dc:creator>zhangchao</dc:creator><author>zhangchao</author><pubDate>Thu, 13 Mar 2008 02:30:00 GMT</pubDate><guid>http://m.tkk7.com/zhangchao/archive/2008/03/13/185941.html</guid><wfw:comment>http://m.tkk7.com/zhangchao/comments/185941.html</wfw:comment><comments>http://m.tkk7.com/zhangchao/archive/2008/03/13/185941.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://m.tkk7.com/zhangchao/comments/commentRss/185941.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/zhangchao/services/trackbacks/185941.html</trackback:ping><description><![CDATA[    鏄ㄥぉ鍦ㄧ湅Ext鐨勬簮鐮佹椂鍙戠幇浜嗕互涓嬩唬鐮乤ttributes = attributes || {};涓鐩翠互涓簀s涓殑閫昏緫鎿嶄綔絎﹁繑鍥炵殑緇撴灉鏄痓oolean鍊煎嵆true鎴杅alse,鏌ヤ簡涓嬫枃妗f墠鍙戠幇鍏跺疄涓嶇劧.<br />     js鐨勯昏緫鎿嶄綔絎︽湁3縐?鍗抽昏緫涓?&&),閫昏緫鎴?||)鍜岄昏緫闈?!).閫昏緫闈炲緇堣繑鍥炰竴涓猙oolean鍊?鍗硉rue鎴杅alse.鑰岄昏緫涓庡拰閫昏緫鎴栧垯涓嶄竴瀹氳繑鍥瀊oolean鍊?鏌ヤ簡涓嬫枃妗f墠鏄庣櫧閫昏緫涓庡拰閫昏緫鎴栨墽琛岀殑瑙勫垯:<br /> 閫昏緫涓?&&):<br /> 1.鍏堟墽琛屽乏杈圭殑琛ㄨ揪寮?寰楀埌璇ヨ〃杈懼紡鐨勫?<br /> 2.灝濊瘯灝嗚鍊艱漿鎹㈡垚boolean.<br /> 3.濡傛灉2鐨勭粨鏋滄槸false,鍒欒繑鍥?涓緱鍒扮殑鍊?濡傛灉璇ュ間笉鏄痜alse,鑰屾槸涓涓叾浠栫殑鍊?姣斿鏄釜瀵硅薄,鍒欏皢榪斿洖榪欎釜瀵硅薄鑰屼笉鏄痜alse),鎵ц瀹屾瘯.<br /> 4.濡傛灉2鐨勭粨鏋滄槸true,鎵ц鍙寵竟琛ㄨ揪寮忓茍寰楀埌鍊?<br /> 5.榪斿洖4涓緱鍒扮殑鍊?<br /> <br /> 閫昏緫鎴?||):<br /> 1.鍏堟墽琛屽乏杈圭殑琛ㄨ揪寮?寰楀埌璇ヨ〃杈懼紡鐨勫?<br /> 2.灝濊瘯灝嗚鍊艱漿鎹㈡垚boolean.<br /> 3.濡傛灉2鐨勭粨鏋滄槸true,鍒欒繑鍥?涓緱鍒扮殑鍊?鎵ц瀹屾瘯.<br /> 4.濡傛灉2鐨勭粨鏋滄槸false,鎵ц鍙寵竟琛ㄨ揪寮忓茍寰楀埌鍊?<br /> 5.榪斿洖4涓緱鍒扮殑鍊?<br /> <br /> 鎬葷粨:閫昏緫涓庡鏋滃乏杈規槸false,鍒欐暣涓〃杈懼紡鐨勫兼槸宸﹁竟琛ㄨ揪寮忕殑鍊?濡傛灉涓簍rue,鍒欐暣涓〃杈懼紡鐨勫兼槸鍙寵竟琛ㄨ揪寮忕殑鍊?<br /> 閫昏緫鎴栧鏋滃乏杈規槸true,鍒欐暣涓〃杈懼紡鐨勫兼槸宸﹁竟琛ㄨ揪寮忕殑鍊?濡傛灉涓篺alse,鍒欐暣涓〃杈懼紡鐨勫兼槸鍙寵竟琛ㄨ揪寮忕殑鍊? <img src ="http://m.tkk7.com/zhangchao/aggbug/185941.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/zhangchao/" target="_blank">zhangchao</a> 2008-03-13 10:30 <a href="http://m.tkk7.com/zhangchao/archive/2008/03/13/185941.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>鎮熼廕avaScript(杞?http://m.tkk7.com/zhangchao/archive/2008/03/05/183888.htmlzhangchaozhangchaoWed, 05 Mar 2008 03:07:00 GMThttp://m.tkk7.com/zhangchao/archive/2008/03/05/183888.htmlhttp://m.tkk7.com/zhangchao/comments/183888.htmlhttp://m.tkk7.com/zhangchao/archive/2008/03/05/183888.html#Feedback0http://m.tkk7.com/zhangchao/comments/commentRss/183888.htmlhttp://m.tkk7.com/zhangchao/services/trackbacks/183888.html闃呰鍏ㄦ枃

zhangchao 2008-03-05 11:07 鍙戣〃璇勮
]]>
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