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jQuery涓枃鍏ラ棬鎸囧崡錛岀炕璇戝姞瀹炰緥錛宩Query鐨勮搗鐐規(guī)暀紼?/h1>

涓枃鐗堣瘧鑰咃細(xì)Keel

姝ゆ枃浠ュ疄渚嬩負(fù)鍩虹涓€姝ユ璇存槑浜唈Query鐨勫伐浣滄柟寮忋€傜幇浠ヤ腑鏂囩炕璇戯紙娣誨姞鎴戠殑琛ュ厖璇存槑錛夊涓嬨€傚鏈夌浉鍏蟲剰瑙佹垨寤鴻璇?EMAIL 鍛婄煡銆傛垨鑰呭湪 BLOG涓暀璦€銆?/p>

鑻辨枃鍘熺増錛?a >http://docs.jquery.com/Tutorials:Getting_Started_with_jQuery 錛屾劅璋㈠師鏂囦綔鑰?J枚rn Zaefferer 鏈枃鍙戝竷宸插緛姹傚師浣滆€呭悓鎰忋€?/strong>

璇存槑:鍦ㄦ湰鏁欑▼鍙戝竷涔嬪悗錛屽緱鍒頒簡鍑犱釜緗戝弸鐨勬寚姝o紝瀵歸儴鍒嗗唴瀹逛綔浜嗕慨姝o紝浣嗗湪jQuery鐗堟湰涓嶆柇鏇存柊鐨勬儏鍐典笅錛屾暀紼嬩腑鐨勬煇浜涘唴瀹瑰凡緇忚繃鏃訛紙灝ゅ叾鏄?.3浠ヤ笂鐗堟湰錛夛紝鍦ㄥ繝浜庡師鏂囩殑鍩虹涓婏紝鎴戝皢榪欓儴鍒嗗唴瀹瑰姞浠ユ爣綰㈢殑琛ュ厖璇存槑錛屽笇鏈涙洿澶氱殑鍓嶇寮€鍙戣€呰兘瀵規(guī)鏂囨彁鍑哄疂璐墊剰瑙侊紝璋㈣阿錛?--2009-3-10

鍙﹀鎴戣涓哄湪瀛︿范榪囩▼涓?鏈変袱涓狝PI鏂囨。浣犺鎵撳紑闅忔椂鏌ョ湅:

濡傛灉鎯充簡瑙f洿澶歫Query鍙?qiáng)鎻掍欢淇℃伅锛屽?a href="http://chabaoo.cn">璁塊棶鏈珯棣栭〉.

浠ヤ笅閮ㄥ垎涓哄師鏂囩炕璇?


jQuery鍏ラ棬鎸囧崡鏁欑▼

榪欎釜鎸囧崡鏄竴涓jQuery搴撶殑璇存槑錛岃姹傝鑰呬簡瑙TML(DOM)鍜孋SS鐨勪竴浜涘父璇嗐€傚畠鍖呮嫭浜嗕竴涓畝鍗曠殑Hello World鐨勪緥瀛愶紝閫夋嫨鍣ㄥ拰浜嬩歡鍩虹錛孉JAX銆丗X鐨勭敤娉曪紝浠ュ強(qiáng)濡備綍鍒朵綔jQuery鐨勬彃浠躲€? 榪欎釜鎸囧崡鍖呮嫭浜嗗緢澶氫唬鐮侊紝浣犲彲浠opy瀹冧滑錛屽茍璇曠潃淇敼瀹冧滑錛岀湅鐪嬩駭鐢熺殑鏁堟灉銆?

鍐呭鎻愯

  1. 瀹夎
  2. Hello jQuery
  3. Find me:浣跨敤閫夋嫨鍣ㄥ拰浜嬩歡
  4. Rate me:浣跨敤AJAX
  5. Animate me(璁╂垜鐢熷姩璧鋒潵):浣跨敤FX
  6. Sort me(灝嗘垜鏈夊簭鍖?:浣跨敤tablesorter鎻掍歡(琛ㄦ牸鎺掑簭)
  7. Plug me:鍒朵綔鎮(zhèn)ㄨ嚜宸辯殑鎻掍歡
  8. Next steps(涓嬩竴姝?

瀹夎

涓€寮€濮?鎴戜滑闇€瑕佷竴涓猨Query鐨勫簱,鏈€鏂扮殑涓嬭澆鍙互鍒?a >榪欓噷鎵懼埌銆傝繖涓寚鍗楁彁渚涗竴涓熀鏈寘鍚疄渚嬬殑鍖呬緵涓嬭澆.

涓嬭澆錛?a class="download" href="jquery-starterkit.zip">jQuery Starterkit

(璇戣€匥eel娉?涓€瀹氳涓嬭澆榪欎釜鍖咃紝鍏夌湅鏂囩珷涓嶅疄璺佃偗瀹氭槸涓嶈鐨勩€?

涓嬭澆鍚庤В鍘嬬緝錛岀劧鍚庣敤浣犳渶鍠滄鐨勬枃鏈紪杈戝櫒鎵撳紑starterkit.html鍜宑ustom.js榪欎袱涓枃浠躲€?span class="log">(璇戣€匥eel娉?榪欎袱涓氨鏄緥瀛愭枃浠?鎵€鏈夌殑渚嬪瓙閮界敤榪欎袱涓緥瀛愪綔鍑?custom.js鍐檍Query浠g爜,starterkit.html瑙傚療鏁堟灉.寤鴻鐢╡ditPlus鎵撳紑)

鐜板湪,鎴戜滑灝卞凡緇忓仛濂戒簡涓€鍒囧噯澶囨潵榪涜榪欎釜钁楀悕鐨?Hello world"渚嬪瓙.

鏈珷鐨勭浉鍏抽摼鎺?

Hello jQuery

鍦ㄥ仛鎵€鏈変簨鎯呬箣鍓?鎴戜滑瑕佽jQuery璇誨彇鍜屽鐞嗘枃妗g殑DOM,蹇呴』灝藉彲鑳藉揩鍦板湪DOM杞藉叆鍚庡紑濮嬫墽琛屼簨浠?鎵€浠?鎴戜滑鐢ㄤ竴涓猺eady浜嬩歡浣滀負(fù)澶勭悊HTML鏂囨。鐨勫紑濮?鐪嬬湅鎴戜滑鎵撳紑鐨刢ustom.js榪欎釜鏂囦歡,閲岄潰宸茬粡鍑嗗濂戒簡:

$(document).ready(function() {
	// do stuff when DOM is ready
});

鏀句竴涓畝鍗曠殑alert浜嬩歡鍦ㄩ渶瑕佺瓑DOM瀹屾垚杞藉叆,鎵€浠ユ垜浠妸浠誨姟紼嶇◢鍙樺鏉備竴鐐?鍦ㄧ偣鍑諱換浣曚竴涓摼鎺ユ椂鏄劇ず涓€涓猘lert.

$(document).ready(function() {
	$("a").click(function() {
		alert("Hello world!");
	});
});

榪欐牱鍦ㄤ綘鐐瑰向欏甸潰鐨勪竴涓摼鎺ユ椂閮戒細(xì)瑙﹀彂榪欎釜"Hello world"鐨勬彁紺恒€?/p>

(璇戣€匥eel娉?璇風(fēng)収姝や唬鐮佷慨鏀筩ustom.js騫朵繚瀛?鐒跺悗鐢ㄦ祻瑙堝櫒鎵撳紑starterkit.html瑙傚療鏁堟灉銆?

璁╂垜浠湅涓€涓嬭繖浜涗慨鏀規(guī)槸浠€涔堝惈涔夈€?("a") 鏄竴涓猨Query閫夋嫨鍣?selector),鍦ㄨ繖閲岋紝瀹冮€夋嫨鎵€鏈夌殑a鏍囩錛堣瘧鑰匥eel娉細(xì)鍗?lt;a></a>錛?/span>錛?鍙鋒槸 jQuery 鈥滅被鈥?jQuery "class")鐨勪竴涓埆縐幫紝鍥犳$()鏋勯€犱簡涓€涓柊鐨刯Query 瀵硅薄(jQuery object)銆傚嚱鏁?click() 鏄繖涓猨Query瀵硅薄鐨勪竴涓柟娉曪紝瀹冪粦瀹氫簡涓€涓崟鍑諱簨浠跺埌鎵€鏈夐€変腑鐨勬爣絳?榪欓噷鏄墍鏈夌殑a鏍囩),騫跺湪浜嬩歡瑙﹀彂鏃舵墽琛屼簡瀹冩墍鎻愪緵鐨刟lert鏂規(guī)硶.

榪欓噷鏈変竴涓嫙琛岀浉浼煎姛鑳界殑浠g爜:

<a href="#" onclick="alert('Hello world')">Link</a>

涓嶅悓涔嬪寰堟槑鏄?鐢╦Query涓嶉渶瑕佸湪姣忎釜a鏍囩涓婂啓onclick浜嬩歡,鎵€浠ユ垜浠嫢鏈変簡涓€涓暣媧佺殑緇撴瀯鏂囨。(HTML)鍜屼竴涓涓烘枃妗?JS),杈懼埌浜嗗皢緇撴瀯涓庤涓哄垎寮€鐨勭洰鐨?灝卞儚鎴戜滑浣跨敤CSS榪芥眰鐨勪竴鏍?

涓嬮潰鎴戜滑浼?xì)鏇村鍦颁簡瑙e埌閫夋嫨鍣ㄤ笌浜嬩歡.

鏈珷鐨勭浉鍏抽摼鎺?

Find me:浣跨敤閫夋嫨鍣ㄥ拰浜嬩歡

jQuery鎻愪緵涓ょ鏂瑰紡鏉ラ€夋嫨html鐨別lements錛岀涓€縐嶆槸鐢–SS鍜孹path閫夋嫨鍣ㄨ仈鍚堣搗鏉ュ艦鎴愪竴涓瓧絎︿覆鏉ヤ紶閫佸埌jQuery鐨勬瀯閫犲櫒錛堝錛?("div > ul a")錛夛紱絎簩縐嶆槸鐢╦Query瀵硅薄鐨勫嚑涓猰ethods(鏂規(guī)硶)銆傝繖涓ょ鏂瑰紡榪樺彲浠ヨ仈鍚堣搗鏉ユ販鍚堜嬌鐢ㄣ€?/p>

涓轟簡嫻嬭瘯涓€涓嬭繖浜涢€夋嫨鍣紝鎴戜滑鏉ヨ瘯鐫€鍦ㄦ垜浠瑂tarterkit.html涓€夋嫨騫朵慨鏀圭涓€涓猳rdered list.

涓€寮€濮嬶紝鎴戜滑闇€瑕侀€夋嫨榪欎釜list鏈韓錛岃繖涓猯ist鏈変竴涓狪D鍙€渙rderedlist鈥濓紝閫氬父鐨刯avascript鍐欐硶鏄痙ocument.getElementById("orderedlist").鍦╦Query涓紝鎴戜滑榪欐牱鍋泛細(xì)

$(document).ready(function() {
	$("#orderedlist").addClass("red");
});

榪欓噷灝唖tarterkit涓殑涓€涓狢SS鏍峰紡red闄勫姞鍒頒簡orderedlist涓?span class="log">(璇戣€匥eel娉細(xì)鍙傝€冩祴璇曞寘涓殑css鐩綍涓嬬殑core.css錛屽叾涓畾涔変簡red鏍峰紡)銆傚洜姝わ紝鍦ㄤ綘鍒鋒柊浜唖tarterkit.html鍚庯紝浣犲皢浼?xì)鐪嬪埌绗竴涓湁搴忓垪琛?ordered list )鑳屾櫙鑹插彉鎴愪簡綰㈣壊錛岃€岀浜屼釜鏈夊簭鍒楄〃娌℃湁鍙樺寲.

鐜板湪錛岃鎴戜滑娣誨姞涓€浜涙柊鐨勬牱寮忓埌l(fā)ist鐨勫瓙鑺傜偣.

$(document).ready(function() {
	$("#orderedlist > li").addClass("blue");
});

榪欐牱錛屾墍鏈塷rderedlist涓殑li閮介檮鍔犱簡鏍峰紡"blue"銆?/p>

鐜板湪鎴戜滑鍐嶅仛涓鏉備竴鐐圭殑錛屽綋鎶婇紶鏍囨斁鍦╨i瀵硅薄涓婇潰鍜岀Щ寮€鏃惰繘琛屾牱寮忓垏鎹紝浣嗗彧鍦╨ist鐨勬渶鍚庝竴涓猠lement涓婄敓鏁堛€?/p>

$(document).ready(function() {
	$("#orderedlist li:last").hover(function() {
		$(this).addClass("green");
	}, function() {
		$(this).removeClass("green");
	});
});

榪樻湁澶ч噺鐨勭被浼肩殑CSS鍜?a class="doc" title="Documentation for XPath selectors">XPath渚嬪瓙錛屾洿澶氱殑渚嬪瓙鍜屽垪琛ㄥ彲浠ュ湪榪欓噷鎵懼埌銆?span class="log">錛堣瘧鑰匥eel娉細(xì)鍏ラ棬鐪嬫鏂囷紝淇鍦ㄤ釜浜猴紝瑕佹兂鍦ㄥ叆闂ㄤ箣鍚庢噦鏇村錛屾墍浠ヨ繖孌佃瘽鐨勫嚑涓摼鎺ヨ繜鏃╂槸瑕佸繀鐪嬬殑錛佷笉浼?xì)鍙堣缈昏瘧鍚?..^_^!錛?/span>

姣忎竴涓猳nXXX浜嬩歡閮芥湁鏁堬紝濡俹nclick,onchange,onsubmit絳夛紝閮芥湁jQuery絳変環(huán)琛ㄧず鏂規(guī)硶錛堣瘧鑰匥eel娉細(xì)jQuery涓嶅枩嬈nXXX錛屾墍浠ラ兘鏀規(guī)垚浜哫XX錛屽幓鎺変簡on錛?/span>銆?a class="doc" title="Documentation for advanced events">鍏朵粬鐨勪竴浜涗簨浠?/a>錛屽ready鍜宧over,涔熸彁渚涗簡鐩稿簲鐨勬柟娉曘€?/p>

浣犲彲浠ュ湪Visual jQuery鎵懼埌鍏ㄩ儴鐨勪簨浠跺垪琛紝鍦‥vents鏍忕洰涓?

鐢ㄨ繖浜涢€夋嫨鍣ㄥ拰浜嬩歡浣犲凡緇忓彲浠ュ仛寰堝鐨勪簨鎯呬簡錛屼絾榪欓噷鏈変竴涓洿寮虹殑濂戒笢涓滐紒

$(document).ready(function() {
	$("#orderedlist").find("li").each(function(i) {
		$(this).html( $(this).html() + " BAM! " + i );
	});
});

find() 璁╀綘鍦ㄥ凡緇忛€夋嫨鐨別lement涓綔鏉′歡鏌ユ壘,鍥犳 $("#orderedlist).find("li") 灝卞儚 $("#orderedlist li")涓€鏍楓€俥ach()鏂規(guī)硶榪唬浜嗘墍鏈夌殑li錛屽茍鍙互鍦ㄦ鍩虹涓婁綔鏇村鐨勫鐞嗐€?澶ч儴鍒嗙殑鏂規(guī)硶,濡俛ddClass(), 閮藉彲浠ョ敤瀹冧滑鑷繁鐨?each() 銆傚湪榪欎釜渚嬪瓙涓? html()鐢ㄦ潵鑾峰彇姣忎釜li鐨刪tml鏂囨湰, 榪藉姞涓€浜涙枃瀛楋紝騫跺皢涔嬭緗負(fù)li鐨刪tml鏂囨湰銆?span class="log">錛堣瘧鑰匥eel娉細(xì)浠庤繖涓緥瀛愬彲浠ョ湅鍒?html()鏂規(guī)硶鏄幏鍙栧璞$殑html浠g爜錛岃€?html('xxx')鏄緗?xxx'涓哄璞$殑html浠g爜錛?/span>

鍙︿竴涓粡甯哥鍒扮殑浠誨姟鏄湪娌℃湁琚玧Query瑕嗙洊鐨凞OM鍏冪礌涓奵all涓€浜涙柟娉曪紝鎯沖儚涓€涓湪浣犵敤AJAX鏂瑰紡鎴愬姛鎻愪氦鍚庣殑reset錛?/p>

$(document).ready(function() {
	// use this to reset a single form
	$("#reset").click(function() {
		$("#form")[0].reset();
	});
});

錛堣瘧鑰匥eel娉細(xì)榪欓噷浣滆€呭皢form鐨刬d涔熷啓鎴愪簡form錛屾簮鏂囦歡鏈?lt;form id="form">錛岃繖鏄潪甯鎬笉濂界殑鍐欐硶錛屼綘鍙互灝嗚繖涓狪D鏀規(guī)垚form1鎴栬€卼estForm錛岀劧鍚庣敤$("#form1")鎴栬€?("#testForm")鏉ヨ〃紺哄畠錛屽啀榪涜嫻嬭瘯銆傦級

榪欎釜浠g爜閫夋嫨浜嗘墍鏈塈D涓?form"鐨勫厓绱狅紝騫跺湪鍏剁涓€涓笂call浜嗕竴涓猺eset()銆傚鏋滀綘鏈変竴涓互涓婄殑form錛屼綘鍙互榪欐牱鍋泛細(xì)

$(document).ready(function() {
	// use this to reset several forms at once
	$("#reset").click(function() {
		$("form").each(function() {
			this.reset();
		});
	});
});

錛堣瘧鑰匥eel娉細(xì)璇鋒敞鎰忎竴瀹氳浜茶嚜灝嗚繖浜涗唬鐮佸啓鍦╟ustom.js涓茍鍦╯tarterkit.html涓婃祴璇曟晥鏋滄墠鑳芥湁鎵€浣撲細(xì)錛佸繀瑕佹椂瑕佽瀵焥tarterkit.html鐨刪tml浠g爜錛?/p>

榪欐牱浣犲湪鐐瑰向Reset閾炬帴鍚庯紝灝遍€夋嫨浜嗘枃?。涓墍鏈夌殑form鍏冪礌錛屽茍瀵瑰畠浠兘鎵ц浜嗕竴嬈eset()銆?/p>

榪樻湁涓€涓綘鍙兘瑕侀潰瀵圭殑闂鏄笉甯屾湜鏌愪簺鐗瑰畾鐨勫厓绱犺閫夋嫨銆俲Query 鎻愪緵浜唂ilter() 鍜宯ot() 鏂規(guī)硶鏉ヨВ鍐寵繖涓棶棰樸€?filter()浠ヨ繃婊よ〃杈懼紡鏉ュ噺灝戜笉絎﹀悎鐨勮閫夋嫨欏? not()鍒欑敤鏉ュ彇娑堟墍鏈夌鍚堣繃婊よ〃杈懼紡鐨勮閫夋嫨欏? 鑰冭檻涓€涓棤搴忕殑list錛屼綘鎯寵閫夋嫨鎵€鏈夌殑娌℃湁ul瀛愬厓绱犵殑li鍏冪礌銆?/p>

$(document).ready(function() {
	$("li").not(":has(ul)").css("border", "1px solid black");//鍘熸枃涓?("li").not("[ul]").css("border", "1px solid black");
});

榪欎釜浠g爜閫夋嫨浜嗘墍鏈夌殑li鍏冪礌錛岀劧鍚庡幓闄や簡鏈塽l瀛愬厓绱犵殑li鍏冪礌銆傚埛鏂版祻瑙堝櫒鍚庯紝鎵€鏈夌殑li鍏冪礌閮芥湁浜嗕竴涓竟妗嗭紝鍙湁ul瀛愬厓绱犵殑閭d釜li鍏冪礌渚嬪銆?/p>

錛堣瘧鑰匥eel娉細(xì)璇鋒敞鎰忎綋浼?xì)鏂逛究涔嬫瀬鐨刢ss()鏂規(guī)硶錛屽茍鍐嶆鎻愰啋璇峰姟蹇呭疄闄呮祴璇曡瀵熸晥鏋滐紝姣旀柟璇存崲涓狢SS鏍峰紡鍛紵鍐嶅姞涓€涓狢SS鏍峰紡鍛紵鍍忚繖鏍鳳細(xì)$("li").not("[ul]").css("border", "1px solid black").css("color","red");錛?/p>

涓婇潰浠g爜涓殑[expression] 璇硶鏄粠XPath鑰屾潵錛屽彲浠ュ湪瀛愬厓绱犲拰灞炴€?elements and attributes)涓婄敤浣滆繃婊ゅ櫒錛屾瘮濡備綘鍙兘鎯抽€夋嫨鎵€鏈夌殑甯︽湁name灞炴€х殑閾炬帴:

$(document).ready(function() {
	$("a[name]").css("background-color","#eee"); //鍘熸枃涓衡€?("a[@name]").background("#eee");鈥濆湪jQuery1.2鍙?qiáng)浠ヤ笂鐗堟湰涓?@絎﹀佛搴旇鍘婚櫎,background鏂規(guī)硶琚玞ss鏂規(guī)硶鍙栦唬
});

榪欎釜浠g爜緇欐墍鏈夊甫鏈塶ame灞炴€х殑閾炬帴鍔犱簡涓€涓儗鏅壊銆?span class="log">錛堣瘧鑰匥eel娉細(xì)榪欎釜棰滆壊澶笉鏄庢樉浜嗭紝寤鴻鍐欐垚$("a[name]").css("background-color","#eee");錛?/span> [娉細(xì)鍦╦Query1.2鍙?qiáng)浠ヤ笂鐗堟湰涓?@絎﹀佛搴旇鍘婚櫎,涓嬫枃涓笉鍐嶈鏄嶿

鏇村父瑙佺殑鎯呭喌鏄互name鏉ラ€夋嫨閾炬帴錛屼綘鍙兘闇€瑕侀€夋嫨涓€涓湁鐗圭偣href灞炴€х殑閾炬帴錛岃繖鍦ㄤ笉鍚岀殑嫻忚鍣ㄤ笅瀵筯ref鐨勭悊瑙e彲鑳戒細(xì)涓嶄竴鑷達(dá)紝鎵€浠ユ垜浠殑閮ㄥ垎鍖歸厤("*=")鐨勬柟寮忔潵浠f浛瀹屽叏鍖歸厤("=")錛?/p>

$(document).ready(function() {
	$("a[href*=/content/gallery]").click(function() {
		// do something with all links that point somewhere to /content/gallery
	});
});

鍒扮幇鍦ㄤ負(fù)姝紝閫夋嫨鍣ㄩ兘鐢ㄦ潵閫夋嫨瀛愬厓绱犳垨鑰呮槸榪囨護(hù)鍏冪礌銆傚彟澶栬繕鏈変竴縐嶆儏鍐墊槸閫夋嫨涓婁竴涓垨鑰呬笅涓€涓厓绱狅紝姣斿涓€涓狥AQ鐨勯〉闈紝絳旀棣栧厛浼?xì)闅愯棌锛屽綋闂鐐瑰嚴(yán)L椂錛岀瓟妗堟樉紺哄嚭鏉ワ紝jQuery浠g爜濡備笅錛?/p>

$(document).ready(function() {
	$('#faq').find('dd').hide().end().find('dt').click(function() {
         var answer = $(this).next();
         if (answer.is(':visible')) {
             answer.slideUp();
         } else {
             answer.slideDown();
         }
     });
});

榪欓噷鎴戜滑鐢ㄤ簡涓€浜涢摼寮忚〃杈炬硶鏉ュ噺灝戜唬鐮侀噺錛岃€屼笖鐪嬩笂鍘繪洿鐩磋鏇村鏄撶悊瑙c€傚儚'#faq' 鍙€夋嫨浜嗕竴嬈★紝鍒╃敤end()鏂規(guī)硶錛岀涓€嬈ind()鏂規(guī)硶浼?xì)缁撴?undone)錛屾墍浠ユ垜浠彲浠ユ帴鐫€鍦ㄥ悗闈㈢戶緇璮ind('dt')錛岃€屼笉闇€瑕佸啀鍐?('#faq').find('dt')銆?/p>

鍦ㄧ偣鍑諱簨浠朵腑鐨勶紝鎴戜滑鐢?$(this).next() 鏉ユ壘鍒癲t涓嬮潰绱ф帴鐨勪竴涓猟d鍏冪礌錛岃繖璁╂垜浠彲浠ュ揩閫熷湴閫夋嫨鍦ㄨ鐐瑰向闂涓嬮潰鐨勭瓟妗堛€?/p>

錛堣瘧鑰匥eel娉細(xì)榪欎釜渚嬪瓙鐪熸槸澶叿浜嗭紝FAQ涓殑絳旀鍙互鏀剁緝錛佷粠鍒╃敤next()鐨勬€濊礬鍒板疄鐜拌繖浜涙晥鏋滈兘鏈夊緢澶氬湴鏂歸渶瑕佹垜浠秷鍖栵紝娉ㄦ剰 if (answer.is(':visible'))鐢ㄦ硶錛屾敞鎰廰nswer.slideUp();涓嶆噦鐨勫湴鏂硅刀绱ф煡鎴戝湪鏈€寮€濮嬫彁鍒扮殑涓や釜蹇呯湅API鏂囨。錛?/p>

闄や簡閫夋嫨鍚岀駭鍒殑鍏冪礌澶栵紝浣犱篃鍙互閫夋嫨鐖剁駭鐨勫厓绱犮€傚彲鑳戒綘鎯沖湪鐢ㄦ埛榧犳爣縐誨埌鏂囩珷鏌愭鐨勬煇涓摼鎺ユ椂錛屽畠鐨勭埗綰у厓绱?-涔熷氨鏄枃绔犵殑榪欎竴孌電獊鍑烘樉紺猴紝璇曡瘯榪欎釜錛?/p>

$(document).ready(function() {
	$("a").hover(function() {
		$(this).parents("p").addClass("highlight");
	}, function() {
		$(this).parents("p").removeClass("highlight");
	});
});

嫻嬭瘯鏁堟灉鍙互鐪嬪埌錛岀Щ鍒版枃绔犳煇孌電殑閾炬帴鏃訛紝瀹冩墍鍦ㄧ殑孌靛叏鐢ㄤ笂highlight鏍峰紡錛岀Щ璧頒箣鍚庡張鎭㈠鍘熸牱銆?/p> 錛堣瘧鑰匥eel娉細(xì)highlight鏄痗ore.css涓畾涔夌殑鏍峰紡錛屼綘涔熷彲浠ユ敼鍙樺畠錛屾敞鎰忚繖閲屾湁絎簩涓猣unction()榪欐槸hover鏂規(guī)硶鐨勭壒鐐癸紝璇峰湪API鏂囨。涓煡闃卙over錛屼笂闈篃鏈変緥瀛愯鏄庯級

鍦ㄦ垜浠戶緇箣鍓嶆垜浠厛鏉ョ湅鐪嬭繖涓€姝ワ細(xì) jQuery浼?xì)璁╀唬鐮佸彉寰楁洿鐭粠鑰屾洿瀹規(guī)槗鐞嗚В鍜岀淮鎶わ紝涓嬮潰鏄?(document).ready(callback)鐨勭緝鍐欐硶錛?/p>

$(function() {
	// code to execute when the DOM is ready
});

搴旗敤鍒版垜浠殑Hello world渚嬪瓙涓紝鍙互榪欐牱:

$(function() {
	$("a").click(function() {
		alert("Hello world!");
	});
});

鐜板湪錛屾垜浠墜涓婃湁浜嗚繖浜涘熀紜€鐨勭煡璇嗭紝鎴戜滑鍙互鏇磋繘涓€姝ョ殑鎺㈢儲鍏跺畠鏂歸潰鐨勪笢瑗匡紝灝變粠AJAX寮€濮嬶紒

鏈珷鐨勭浉鍏抽摼鎺?

Rate me:浣跨敤AJAX

鍦ㄨ繖涓€閮ㄥ垎鎴戜滑鍐欎簡涓€涓皬灝忕殑AJAX搴旗敤錛屽畠鑳藉rate涓€浜涗笢瑗?span class="log">錛堣瘧Keel娉細(xì)灝辨槸瀵規(guī)煇浜涗笢瑗挎姇紲級錛屽氨鍍忓湪youtube.com涓婇潰鐪嬪埌鐨勪竴鏍楓€?/p>

棣栧厛鎴戜滑闇€瑕佷竴浜涙湇鍔″櫒绔唬鐮侊紝榪欎釜渚嬪瓙涓敤鍒頒簡涓€涓狿HP鏂囦歡錛岃鍙杛ating鍙傛暟鐒跺悗榪斿洖rating鎬繪暟鍜屽鉤鍧囨暟銆傜湅涓€涓?a href="rate.phps">rate.php浠g爜.

铏界劧榪欎簺渚嬪瓙涔熷彲浠ヤ笉浣跨敤AJAX鏉ュ疄鐜幫紝浣嗘樉紺烘垜浠笉浼?xì)閭d箞鍋氬Q屾垜浠敤jQuery鐢熸垚涓€涓狣IV瀹瑰櫒錛孖D鏄?rating".

$(document).ready(function() {
	// generate markup
	var ratingMarkup = ["Please rate: "];
	for(var i=1; i <= 5; i++) {
		ratingMarkup[ratingMarkup.length] = "<a href='#'>" + i + "</a> ";
	}
	// add markup to container and applier click handlers to anchors
	$("#rating").append( ratingMarkup.join('') ).find("a").click(function(e) {
		e.preventDefault();
		// send requests
		$.post("rate.php", {rating: $(this).html()}, function(xml) {
			// format result
			var result = [
				"Thanks for rating, current average: ",
				$("average", xml).text(),
				", number of votes: ",
				$("count", xml).text()
			];
			// output result
			$("#rating").html(result.join(''));
		} );
	});
});

榪欐浠g爜鐢熸垚浜?涓摼鎺ワ紝騫跺皢瀹冧滑榪藉姞鍒癷d涓?rating"瀹瑰櫒涓紝褰撳叾涓竴涓摼鎺ヨ鐐瑰向鏃訛紝璇ラ摼鎺ユ爣鏄庣殑鍒嗘暟灝變細(xì)浠ating鍙傛暟褰㈠紡鍙戦€佸埌rate.php錛岀劧鍚庯紝緇撴灉灝嗕互XML褰㈠紡浼?xì)浠庢湇鍔″櫒绔紶鍥炴潵锛屾氛d姞鍒板鍣ㄤ腑錛屾浛浠h繖浜涢摼鎺ャ€?/p>

濡傛灉浣犳病鏈変竴涓畨瑁呰繃PHP鐨克ebserver錛屼綘鍙互鐪嬬湅榪欎釜鍦ㄧ嚎鐨勪緥瀛?/a>.

涓嶄嬌鐢╦avascript瀹炵幇鐨勪緥瀛愬彲浠ヨ闂?softonic.de 鐐瑰向 "Kurz bewerten!"

鏇村鐨凙JAX鏂規(guī)硶鍙互浠?a class="doc" title="Documentation for AJAX methods">榪欓噷 鎵懼埌錛屾垨鑰呯湅鐪?a >API鏂囨。 涓嬮潰鐨凙JAX filed under AJAX.

錛堣瘧鑰匥eel娉細(xì)榪欎釜鍦ㄧ嚎瀹炰緥浠庡浗鍐呰闂繕鏄瘮杈冩參鐨勶紝鐐瑰向鍚庤絳変竴浼?xì)鍎挎墠鑳界湅鍒熬l撴灉錛屽彲浠ヨ€冭檻瀵瑰畠榪涜淇敼錛屾瘮濡傚姞涓妉oading錛屾姇紲ㄥ悗鍔犱笂鍐嶆姇紲ㄧ殑榪斿洖閾炬帴絳夈€傛澶栵紝榪欎釜渚嬪瓙涓繕鏄湁寰堝闇€瑕佽繘涓€姝ユ秷鍖栫殑鍦版柟錛岀湅涓嶆噦鐨勫湴鏂硅鍙傝€傾PI鏂囨。銆傦級

涓€涓湪浣跨敤AJAX杞藉叆鍐呭鏃剁粡甯稿彂鐢熺殑闂鏄細(xì)褰撹澆鍏ヤ竴涓簨浠跺彞鏌勫埌涓€涓狧TML鏂囨。鏃訛紝榪橀渶瑕佸湪杞藉叆鍐呭涓婂簲鐢ㄨ繖浜涗簨浠訛紝浣犱笉寰椾笉鍦ㄥ唴瀹瑰姞杞藉畬鎴愬悗搴旗敤榪欎簺浜嬩歡鍙ユ焺錛屼負(fù)浜嗛槻姝唬鐮侀噸澶嶆墽琛岋紝浣犲彲鑳界敤鍒板涓嬩竴涓猣unction:

// lets use the shortcut
$(function() {
	var addClickHandlers = function() {
		$("a.clickMeToLoadContent").click(function() {
			$("#target").load(this.href, addClickHandlers);
		});
	};
	addClickHandlers();
});

鐜板湪錛宎ddClickHandlers鍙湪DOM杞藉叆瀹屾垚鍚庢墽琛屼竴嬈★紝榪欐槸鍦ㄧ敤鎴鋒瘡嬈$偣鍑誨叿鏈塩lickMeToLoadContent 榪欎釜鏍峰紡鐨勯摼鎺ュ茍涓斿唴瀹瑰姞杞藉畬鎴愬悗.

璇鋒敞鎰廰ddClickHandlers鍑芥暟鏄綔涓轟竴涓眬閮ㄥ彉閲忓畾涔夌殑錛岃€屼笉鏄叏灞€鍙橀噺(濡傦細(xì)function addClickHandlers() {...})錛岃繖鏍峰仛鏄負(fù)浜嗛槻姝笌鍏朵粬鐨勫叏灞€鍙橀噺鎴栬€呭嚱鏁扮浉鍐茬獊.

鍙︿竴涓父瑙佺殑闂鏄叧浜庡洖璋?callback)鐨勫弬鏁般€備綘鍙互閫氳繃涓€涓澶栫殑鍙傛暟鎸囧畾鍥炶皟鐨勬柟娉曪紝綆€鍗曠殑鍔炴硶鏄皢榪欎釜鍥炶皟鏂規(guī)硶鍖呭惈鍦ㄤ竴涓叾瀹冪殑function涓?

// get some data
var foobar = ...;
// specify handler, it needs data as a paramter
var handler = function(data) {
  ...
};
// add click handler and pass foobar!
$('a').click( function(event) { handler(foobar); } );

// if you need the context of the original handler, use apply:
$('a').click( function(event) { handler.apply(this, [foobar]); } );

鐢ㄥ埌綆€鍗曠殑AJAX鍚庯紝鎴戜滑鍙互璁や負(fù)宸茬粡闈炲父涔嬧€渨eb2.0鈥濅簡錛屼絾鏄埌鐜板湪涓烘錛屾垜浠繕緙哄皯涓€浜涢叿鐐殑鏁堟灉銆備笅涓€鑺傚皢浼?xì)璋堝埌杩欎簺鏁堟?

鏈珷鐨勭浉鍏抽摼鎺?

Animate me(璁╂垜鐢熷姩璧鋒潵):浣跨敤FX

涓€浜涘姩鎬佺殑鏁堟灉鍙互浣跨敤 show() 鍜?hide()鏉ヨ〃鐜?

$(document).ready(function() {
	$("a").toggle(function() {
		$(".stuff").hide('slow');
	}, function() {
		$(".stuff").show('fast');
	});
});

浣犲彲浠ヤ笌 animate()鑱斿悎璧鋒潵鍒涘緩涓€浜涙晥鏋?濡備竴涓甫娓愭樉鐨勬粦鍔ㄦ晥鏋?

$(document).ready(function() {
	$("a").toggle(function() {
		$(".stuff").animate({
			height: 'hide',
			opacity: 'hide'
		}, 'slow');
	}, function() {
		$(".stuff").animate({
			height: 'show',
			opacity: 'show'
		}, 'slow');
	});
});

寰堝涓嶉敊鐨勬晥鏋滃彲浠ヨ闂?a >interface plugin collection. 榪欎釜绔欑偣鎻愪緵浜嗗緢澶歞emos鍜屾枃妗?/p>

榪欎簺鏁堟灉鎻掍歡鏄綅浜巎Query鎻掍歡鍒楄〃鐨勫墠闈㈢殑錛屽綋鐒朵篃鏈夊緢澶氬叾浠栫殑鎻掍歡錛屾瘮濡傛垜浠笅涓€绔犺鍒扮殑琛ㄦ牸鎺掑簭鎻掍歡銆?/p>

鏈珷鐨勭浉鍏抽摼鎺?

Sort me(灝嗘垜鏈夊簭鍖?:浣跨敤tablesorter鎻掍歡(琛ㄦ牸鎺掑簭)

榪欎釜琛ㄦ牸鎺掑簭鎻掍歡鑳借鎴戜滑鍦ㄥ鎴風(fēng)鎸夋煇涓€鍒楄繘琛屾帓搴忥紝寮曞叆jQuery鍜岃繖涓彃浠剁殑js鏂囦歡錛岀劧鍚庡憡璇夋彃浠朵綘鎯寵鍝釜琛ㄦ牸鎷ユ湁鎺掑簭鍔熻兘銆?/p>

瑕佹祴璇曡繖涓緥瀛愶紝鍏堝湪starterkit.html涓姞涓婂儚涓嬮潰榪欎竴琛岀殑浠g爜錛?/p>

<script src="lib/jquery.tablesorter.js" type="text/javascript"></script>

鐒跺悗鍙互榪欐牱璋冪敤涓嶇潃:

$(document).ready(function() {
	$("#large").tableSorter();
});

鐜板湪鐐瑰向琛ㄦ牸鐨勭涓€琛宧ead鍖哄煙錛屼綘鍙互鐪嬪埌鎺掑簭鐨勬晥鏋滐紝鍐嶆鐐瑰向浼?xì)鎸夋湌杩囨潵鐨剻搴搴彉q涜鎺掑垪銆?/p>

榪欎釜琛ㄦ牸榪樺彲浠ュ姞涓€浜涚獊鍑烘樉紺虹殑鏁堟灉錛屾垜浠彲浠ュ仛榪欐牱涓€涓殧琛岃儗鏅壊錛堟枒椹嚎錛夋晥鏋?

$(document).ready(function() {
	$("#large").tableSorter({
		stripingRowClass: ['odd','even'],	// Class names for striping supplyed as a array.
		stripRowsOnStartUp: true		// Strip rows on tableSorter init.
	});
});

鍏充簬榪欎釜鎻掍歡鐨勬洿澶氫緥瀛愬拰鏂囨。鍙互鍦?tablesorter棣栭〉鎵懼埌.

鍑犱箮鎵€鏈夌殑鐗逛歡閮芥槸榪欐牱鐢ㄧ殑:鍏坕nclude鎻掍歡鐨刯s鏂囦歡,鐒跺悗鍦ㄦ煇浜涘厓绱犱笂浣跨敤鎻掍歡瀹氫箟鐨勬柟娉?褰撶劧涔熸湁涓€浜涘弬鏁伴€夐」鏄彲浠ラ厤緗殑

緇忓父鏇存柊鐨勬彃浠跺垪琛ㄥ彲浠ヤ粠jQuery瀹樻柟绔?on the jQuery site鎵懼埌.

褰撲綘鏇寸粡甯稿湴浣跨敤jQuery鏃?浣犱細(xì)鍙戠幇灝嗕綘鑷繁鐨勪唬鐮佹墦鍖呮垚鎻掍歡鏄緢鏈夌敤澶勭殑,瀹冭兘鏂逛究鍦拌浣犵殑鍏徃鎴栬€呭叾浠栦漢榪涜閲嶇敤.涓嬩竴绔犳垜浠皢璋堝埌濡備綍鏋勫緩涓€涓嚜宸辯殑鎻掍歡.

鏈珷鐨勭浉鍏抽摼鎺?

Plug me:鍒朵綔鑷繁鐨勬彃浠?/h2>

鍐欎竴涓嚜宸辯殑jQuery鎻掍歡鏄潪甯稿鏄撶殑,濡傛灉浣犳寜鐓т笅闈㈢殑鍘熷垯鏉ュ仛,鍙互璁╁叾浠栦漢涔熷鏄撳湴緇撳悎浣跨敤浣犵殑鎻掍歡.

  1. 涓轟綘鐨勬彃浠跺彇涓€涓悕瀛?鍦ㄨ繖涓緥瀛愰噷闈㈡垜浠彨瀹?foobar".
  2. 鍒涘緩涓€涓儚榪欐牱鐨勬枃浠?jquery.[yourpluginname].js,姣斿鎴戜滑鍒涘緩涓€涓猨query.foobar.js
  3. 鍒涘緩涓€涓垨鏇村鐨勬彃浠舵柟娉?浣跨敤緇ф壙jQuery瀵硅薄鐨勬柟寮?濡?
    jQuery.fn.foobar = function() {
    	// do something
    };
  4. 鍙€夌殑:鍒涘緩涓€涓敤浜庡府鍔╄鏄庣殑鍑芥暟,濡?
    jQuery.fooBar = {
    	height: 5,
    	calculateBar = function() { ... },
    	checkDependencies = function() { ... }
    };

    浣犵幇鍦ㄥ彲浠ュ湪浣犵殑鎻掍歡涓嬌鐢ㄨ繖浜涘府鍔╁嚱鏁頒簡:

    jQuery.fn.foobar = function() {
    	// do something
    	jQuery.foobar.checkDependencies(value);
    	// do something else
    };
  5. 鍙€夌殑l:鍒涘緩涓€涓粯璁ょ殑鍒濆鍙傛暟閰嶇疆,榪欎簺閰嶇疆涔熷彲浠ョ敱鐢ㄦ埛鑷璁懼畾,濡?
    jQuery.fn.foobar = function(options) {
    	var settings = {
    		value: 5,
    		name: "pete",
    		bar: 655
    	};
    	if(options) {
    		jQuery.extend(settings, options);
    	}
    };

    鐜板湪鍙互鏃犻渶鍋氫換浣曢厤緗湴浣跨敤鎻掍歡浜?榛樿鐨勫弬鏁板湪姝ゆ椂鐢熸晥:

    $("...").foobar();

    鎴栬€呭姞鍏ヨ繖浜涘弬鏁板畾涔?

    $("...").foobar({
    	value: 123,
    	bar: 9
    });

濡傛灉浣爎elease浣犵殑鎻掍歡, 浣犺繕搴旇鎻愪緵涓€浜涗緥瀛愬拰鏂囨。,澶ч儴鍒嗙殑鎻掍歡閮藉叿澶囪繖浜涜壇濂界殑鍙傝€冩枃妗?

鐜板湪浣犲簲璇ユ湁浜嗗啓涓€涓彃浠剁殑鍩虹,璁╂垜浠瘯鐫€鐢ㄨ繖浜涚煡璇嗗啓涓€涓嚜宸辯殑鎻掍歡.

寰堝浜鴻瘯鐫€鎺у埗鎵€鏈夌殑radio鎴栬€卌heckbox鏄惁琚€変腑,姣斿:

$("input[type='checkbox']").each(function() {
	this.checked = true;
	// or, to uncheck
	this.checked = false;
	// or, to toggle
	this.checked = !this.checked;
});
娉細(xì)鍦╦Query1.2鍙?qiáng)浠ヤ笂鐗堟湰涓Q岄€夋嫨鎵€鏈塩heckbox搴旇浣跨敤 input:checkbox , 鍥犳浠ヤ笂浠g爜絎竴琛屽彲鍐欎負(fù):
$('input:checkbox').each(function() {

鏃犺浣曟椂鏈欙紝褰撲綘鐨勪唬鐮佸嚭鐜癳ach鏃訛紝浣犲簲璇ラ噸鍐欎笂闈㈢殑浠g爜鏉ユ瀯閫犱竴涓彃浠?寰堢洿鎺ュ湴:

$.fn.check = function() {
	return this.each(function() {
		this.checked = true;
	});
};

榪欎釜鎻掍歡鐜板湪鍙互榪欐牱鐢?

$('input:checkbox').check();
娉細(xì)鍦╦Query1.2鍙?qiáng)浠ヤ笂鐗堟湰涓Q岄€夋嫨鎵€鏈塩heckbox搴旇浣跨敤 input:checkbox 鍘熸枃涓猴細(xì)$("input[type='checkbox']").check();

鐜板湪浣犲簲璇ヨ繕鍙互鍐欏嚭uncheck()鍜宼oggleCheck()浜?浣嗘槸鍏堝仠涓€涓?璁╂垜浠殑鎻掍歡鎺ユ敹涓€浜涘弬鏁?

$.fn.check = function(mode) {
	var mode = mode || 'on'; // if mode is undefined, use 'on' as default
	return this.each(function() {
		switch(mode) {
		case 'on':
			this.checked = true;
			break;
		case 'off':
			this.checked = false;
			break;
		case 'toggle':
			this.checked = !this.checked;
			break;
		}
	});
};

榪欓噷鎴戜滑璁劇疆浜嗛粯璁ょ殑鍙傛暟,鎵€浠ュ皢"on"鍙傛暟鐪佺暐涔熸槸鍙互鐨?褰撶劧涔熷彲浠ュ姞涓?on","off", 鎴?"toggle",濡?

$("input[type='checkbox']").check();
$("input[type='checkbox']").check('on');
$("input[type='checkbox']").check('off');
$("input[type='checkbox']").check('toggle');

濡傛灉鏈夊浜庝竴涓殑鍙傛暟璁劇疆浼?xì)绋嵔E嶆湁鐐瑰鏉?鍦ㄤ嬌鐢ㄦ椂濡傛灉鍙兂璁劇疆絎簩涓弬鏁?鍒欒鍦ㄧ涓€涓弬鏁頒綅緗啓鍏ull.

浠庝笂涓€绔犵殑tablesorter鎻掍歡鐢ㄦ硶鎴戜滑鍙互鐪嬪埌,鏃㈠彲浠ョ渷鐣ユ墍鏈夊弬鏁版潵浣跨敤鎴栬€呴€氳繃涓€涓?key/value 瀵規(guī)潵閲嶆柊璁劇疆姣忎釜鍙傛暟.

浣滀負(fù)涓€涓粌涔?浣犲彲浠ヨ瘯鐫€灝?絎洓绔?/a> 鐨勫姛鑳介噸鍐欎負(fù)涓€涓彃浠?榪欎釜鎻掍歡鐨勯鏋跺簲璇ユ槸鍍忚繖鏍風(fēng)殑:

$.fn.rateMe = function(options) {
	var container = this; // instead of selecting a static container with $("#rating"), we now use the jQuery context

	var settings = {
		url: "rate.php"
		// put more defaults here
		// remember to put a comma (",") after each pair, but not after the last one!
	};

	if(options) { // check if options are present before extending the settings
		$.extend(settings, options);
	}

	// ...
	// rest of the code
	// ...

	return this; // if possible, return "this" to not break the chain
});

Next steps(涓嬩竴姝?

濡傛灉浣犳兂鍋氭洿濂界殑javascript寮€鍙?寤鴻浣犱嬌鐢ㄤ竴涓彨 FireBug鐨刦irefox鎻掍歡. 瀹冩彁渚涗簡鏂偣璋冭瘯(姣攁lert寮哄浜?銆佽瀵烡OM鍙樺寲絳夊緢澶氭紓浜殑鍔熻兘

濡傛灉浣犺繕鏈夋湭瑙e喅鐨勯棶棰橈紝鎴栬€呮柊鐨勬兂娉曚笌寤鴻錛屼綘鍙互浣跨敤jQuery鐨勯偖浠跺垪琛?jQuery mailing list.

鍏充簬榪欎釜鎸囧崡鐨勪換浣曚簨鎯咃紝浣犲彲浠ュ啓mail緇欎綔鑰呮垨鑰呭彂琛ㄨ瘎璁哄湪浠栫殑鏃ュ織錛?a >blog.

鍏充簬榪欎釜鎸囧崡鐨勭炕璇戜換浣曚簨鎯咃紝浣犲彲浠ュ啓mail緇欐垜.鎴栬€呭湪 BLOG涓暀璦€.

榪樻湁浠€涔?..

澶уぇ鎰熻阿John Resig鍒涢€犱簡榪欎箞濂界殑library! 鎰熻阿jQuery community 涓篔ohn鎻愪緵浜嗗姝ゅ鐨勫挅鍟″拰鍏朵粬鐨勪竴鍒?

© 2006, J枚rn Zaefferer - last update: 2006-09-12

涓枃鐗堢炕璇?Keel 涓婃鏇存柊:2006-12-13 -- 鏈€鍚庢洿鏂? 2009-3-10 璁塊棶鏈珯棣栭〉

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