{"id":32399,"date":"2024-11-25T09:45:50","date_gmt":"2024-11-25T01:45:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/32399\/"},"modified":"2024-11-25T09:45:50","modified_gmt":"2024-11-25T01:45:50","slug":"15%e4%b8%aa%e4%bd%a0%e5%bf%85%e9%a1%bb%e4%ba%86%e8%a7%a3%e7%9a%84%e6%96%b0%e5%8a%9f%e8%83%bd%ef%bc%9ajquery-1-4%e5%8f%91%e5%b8%83","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/32399\/","title":{"rendered":"15\u4e2a\u4f60\u5fc5\u987b\u4e86\u89e3\u7684\u65b0\u529f\u80fd\uff1ajQuery 1.4\u53d1\u5e03"},"content":{"rendered":"

jquery 1.4 \u6700\u8fd1\u53d1\u5e03\u4e86\u3002\u8fd9\u5e76\u4e0d\u50cf\u4e00\u4e9b\u4eba\u731c\u6d4b\u7684\u90a3\u6837\u53ea\u662f\u4e00\u4e2a\u7ef4\u62a4\u7248\u672c\uff1b\u5b83\u662f\u4e00\u4e2a\u7ef4\u62a4\u7248\u672c\u3002 1.4 \u4e2d\u5305\u542b\u8bb8\u591a<\/strong>\u65b0\u529f\u80fd\u3001\u589e\u5f3a\u529f\u80fd\u548c\u6027\u80fd\u6539\u8fdb\uff01\u8fd9\u7bc7\u6587\u7ae0\u4ecb\u7ecd\u4e86\u60a8\u53ef\u80fd\u4f1a\u53d1\u73b0\u6709\u76ca\u7684\u65b0\u529f\u80fd\u548c\u589e\u5f3a\u529f\u80fd\u3002<\/p>\n

\u60a8\u73b0\u5728\u53ef\u4ee5\u5728\u8fd9\u91cc\u4e0b\u8f7d jQuery 1.4\uff1ahttp:\/\/code.jquery.com\/jquery-1.4.js<\/p>\n<\/p>\n

1\u3002\u5c06\u5c5e\u6027\u4f20\u9012\u7ed9 jQuery(…)<\/h3>\n

\u5728 1.4 \u4e4b\u524d\uff0cjQuery \u652f\u6301\u901a\u8fc7\u6709\u7528\u7684\u201cattr\u201d\u65b9\u6cd5\u5411\u5143\u7d20\u96c6\u5408\u6dfb\u52a0\u5c5e\u6027\uff0c\u8be5\u65b9\u6cd5\u53ef\u4ee5\u4f20\u9012\u5c5e\u6027\u540d\u79f0\u548c\u503c\uff0c\u4e5f\u53ef\u4ee5\u4f20\u9012\u6307\u5b9a\u591a\u4e2a\u5c5e\u6027\u7684\u5bf9\u8c61\u3002 jQuery 1.4 \u6dfb\u52a0\u4e86\u5728\u521b\u5efa\u5143\u7d20\u65f6\u5c06\u5c5e\u6027\u5bf9\u8c61\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9 jQuery \u51fd\u6570\u672c\u8eab\u7684\u652f\u6301\u3002<\/p>\n

\u5047\u8bbe\u60a8\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5177\u6709\u591a\u4e2a\u5c5e\u6027\u7684\u951a\u5143\u7d20\u3002\u5bf9\u4e8e 1.4\uff0c\u5b83\u5c31\u50cf\u8fd9\u6837\u7b80\u5355\uff1a<\/p>\n

jQuery('<a><\/a>', {\n    id: 'foo',\n    href: 'http:\/\/google.com',\n    title: 'Become a Googler',\n    rel: 'external',\n    text: 'Go to Google!'\n});\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u60a8\u53ef\u80fd\u5df2\u7ecf\u6ce8\u610f\u5230\u201ctext\u201d\u5c5e\u6027 – \u60a8\u53ef\u80fd\u60f3\u77e5\u9053\u5b83\u5728\u90a3\u91cc\u505a\u4ec0\u4e48\uff0c\u6bd5\u7adf\u951a\u70b9\u6ca1\u6709\u201ctext\u201d\u5c5e\u6027\uff01\u55ef\uff0c\u5f53\u60a8\u4f20\u9012\u67d0\u4e9b\u5c5e\u6027\u65f6\uff0cjQuery 1.4 \u4f7f\u7528\u5b83\u81ea\u5df1\u7684\u65b9\u6cd5\u3002\u56e0\u6b64\uff0c\u4e0a\u9762\u6307\u5b9a\u7684\u201ctext\u201d\u5c5e\u6027\u5c06\u5bfc\u81f4 jQuery \u8c03\u7528\u201c.text()\u201d\u65b9\u6cd5\uff0c\u4f20\u9012\u201cGo to Google!\u201d\u4f5c\u4e3a\u5176\u552f\u4e00\u7684\u8bba\u636e\u3002<\/p>\n
\u4e00\u4e2a\u66f4\u597d\u7684\u5b9e\u9645\u4f8b\u5b50\uff1a<\/p>\n
jQuery('<div><\/div>', {\n    id: 'foo',\n    css: {\n        fontWeight: 700,\n        color: 'green'\n    },\n    click: function(){\n        alert('Foo has been clicked!');\n    }\n});\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u201cid\u201d\u88ab\u6dfb\u52a0\u4e3a\u5e38\u89c4\u5c5e\u6027\uff0c\u4f46\u201ccss\u201d\u548c\u201cclick\u201d\u5c5e\u6027\u4f1a\u89e6\u53d1\u5bf9\u6bcf\u4e2a\u76f8\u5e94\u65b9\u6cd5\u7684\u8c03\u7528\u3002\u4e0a\u9762\u7684\u4ee3\u7801\uff0c\u5728 1.4 \u7248\u672c\u4e4b\u524d\uff0c\u5e94\u8be5\u8fd9\u6837\u5199\uff1a <\/p>\n
jQuery('<div><\/div>')\n    .attr('id', 'foo')\n    .css({\n        fontWeight: 700,\n        color: 'green'\n    })\n    .click(function(){\n        alert('Foo has been clicked!');\n    });\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4e86\u89e3\u6709\u5173 jQuery \u7684\u66f4\u591a\u4fe1\u606f(…)<\/p>\n
2\u3002\u4e00\u5207\u201c\u76f4\u5230\u201d\uff01<\/h3>\n
1.4 \u4e2d\u7684 DOM \u904d\u5386\u5e93\u4e2d\u6dfb\u52a0\u4e86\u4e09\u4e2a\u65b0\u65b9\u6cd5\uff0c\u201cnextUntil\u201d\u3001\u201cprevUntil\u201d\u548c\u201cparentsUntil\u201d\u3002\u8fd9\u4e9b\u65b9\u6cd5\u4e2d\u7684\u6bcf\u4e00\u4e2a\u90fd\u4f1a\u4ee5\u67d0\u4e2a\u65b9\u5411\u904d\u5386 DOM\uff0c\u76f4\u5230\u6ee1\u8db3\u4f20\u9012\u7684\u9009\u62e9\u5668\u4e3a\u6b62\u3002\u90a3\u4e48\uff0c\u5047\u8bbe\u60a8\u6709\u4e00\u4efd\u6c34\u679c\u6e05\u5355\uff1a<\/p>\n
<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \n
  • Apple<\/li>\n
  • Banana<\/li>\n
  • Grape<\/li>\n
  • Strawberry<\/li>\n
  • Pear<\/li>\n
  • Peach<\/li>\n<\/ul>\n
    \u60a8\u60f3\u8981\u9009\u62e9\u201cApple\u201d\u4e4b\u540e\u7684\u6240\u6709\u9879\u76ee\uff0c\u4f46\u60a8\u60f3\u5728\u5230\u8fbe\u201cStrawberry\u201d\u540e\u505c\u6b62\u3002\u7b80\u5355\u5f97\u4e0d\u80fd\u518d\u7b80\u5355\u4e86\uff1a<\/p>\n
    jQuery('ul li:contains(Apple)').nextUntil(':contains(Pear)');\n\/\/ Selects Banana, Grape, Strawberry\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u8be6\u7ec6\u4e86\u89e3\uff1aprevUntil\u3001nextUntil\u3001parentsUntil<\/p>\n
    3\u3002\u7ed1\u5b9a\u591a\u4e2a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f<\/h3>\n
    \u60a8\u53ef\u4ee5\u5c06\u5b83\u4eec\u5168\u90e8\u96c6\u4e2d\u5230\u540c\u4e00\u4e2a\u8c03\u7528\u4e2d\uff0c\u800c\u4e0d\u662f\u5c06\u4e00\u5806\u4e8b\u4ef6\u7ed1\u5b9a\u65b9\u6cd5\u94fe\u63a5\u5728\u4e00\u8d77\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
    jQuery('#foo).bind({\n    click: function() {\n        \/\/ do something\n    },\n    mouseover: function() {\n        \/\/ do something\n    },\n    mouseout: function() {\n        \/\/ do something\n    }\n})\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u8fd9\u4e5f\u9002\u7528\u4e8e\u201c.one()\u201d\u3002<\/p>\n
    \u4e86\u89e3\u6709\u5173 .bind(…) \u7684\u66f4\u591a\u4fe1\u606f<\/p>\n
    4\u3002\u6bcf\u4e2a\u5c5e\u6027\u7684\u5bbd\u677e<\/h3>\n
    \u60a8\u73b0\u5728\u53ef\u4ee5\u4e3a\u8981\u8bbe\u7f6e\u52a8\u753b\u7684\u6bcf\u4e2a\u5c5e\u6027\u5b9a\u4e49\u4e0d\u540c\u7684\u7f13\u52a8\u51fd\u6570\uff0c\u800c\u4e0d\u662f\u4ec5\u4e3a\u5355\u4e2a\u52a8\u753b\u5b9a\u4e49\u4e00\u4e2a\u7f13\u52a8\u51fd\u6570\u3002 jQuery \u5305\u542b\u4e24\u4e2a\u7f13\u52a8\u51fd\u6570\uff1aswing\uff08\u9ed8\u8ba4\uff09\u548c Linear\u3002\u5bf9\u4e8e\u5176\u4ed6\u7684\uff0c\u60a8\u9700\u8981\u5355\u72ec\u4e0b\u8f7d\u5b83\u4eec\uff01<\/p>\n
    \u8981\u4e3a\u6bcf\u4e2a\u5c5e\u6027\u6307\u5b9a\u7f13\u52a8\u51fd\u6570\uff0c\u53ea\u9700\u5c06\u5c5e\u6027\u5b9a\u4e49\u4e3a\u6570\u7ec4\uff0c\u7b2c\u4e00\u4e2a\u503c\u662f\u60a8\u60f3\u8981\u4e3a\u8be5\u5c5e\u6027\u8bbe\u7f6e\u52a8\u753b\u7684\u503c\uff0c\u7b2c\u4e8c\u4e2a\u503c\u662f\u8981\u4f7f\u7528\u7684\u7f13\u52a8\u51fd\u6570\uff1a<\/p>\n
    jQuery('#foo').animate({\n    left: 500,\n    top: [500, 'easeOutBounce']\n}, 2000);\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u67e5\u770b\u6b64\u4ee3\u7801\u7684\u5b9e\u9645\u6548\u679c\uff01<\/p>\n
    \u60a8\u8fd8\u53ef\u4ee5\u5728\u53ef\u9009\u9009\u9879\u5bf9\u8c61\u4e2d\u5c06\u6bcf\u4e2a\u5c5e\u6027\u7684\u7f13\u52a8\u51fd\u6570\u5b9a\u4e49\u4e3a\u201cspecialEasing\u201d\u5bf9\u8c61\u4e2d\u7684\u5c5e\u6027\u540d\u79f0-\u503c\u5bf9\uff1a<\/p>\n
    jQuery('#foo').animate({\n    left: 500,\n    top: 500\n}, {\n    duration: 2000,\n    specialEasing: {\n        top: 'easeOutBounce'\n    }\n});\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u7f16\u8005\u6ce8 – \u672c\u6587\u4f5c\u8005 James Padolsey \u5f88\u8c26\u865a\u3002\u8fd9\u4e2a\u65b0\u529f\u80fd\u662f\u4ed6\u7684\u4e3b\u610f\uff01 <\/strong><\/p>\n
    \u4e86\u89e3\u6709\u5173\u6309\u5c5e\u6027\u7f13\u52a8\u7684\u66f4\u591a\u4fe1\u606f<\/p>\n
    5\u3002\u65b0\u7684\u73b0\u573a\u6d3b\u52a8\uff01<\/h3>\n
    jQuery 1.4 \u6dfb\u52a0\u4e86\u5bf9\u59d4\u6258\u201c\u63d0\u4ea4<\/strong>\u201d\u3001\u201c\u66f4\u6539<\/strong>\u201d\u3001\u201c\u7126\u70b9<\/strong>\u201d\u548c\u201c\u6a21\u7cca<\/strong>\u201d\u7684\u652f\u6301\u5f3a>\u201d\u4e8b\u4ef6\u3002\u5728 jQuery \u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u201c.live()\u201d\u65b9\u6cd5\u6765\u59d4\u6258\u4e8b\u4ef6\u3002\u5f53\u60a8\u5fc5\u987b\u5728\u8bb8\u591a\u5143\u7d20\u4e0a\u6ce8\u518c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u5e76\u4e14\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u53ef\u80fd\u4f1a\u6dfb\u52a0\u65b0\u5143\u7d20\u65f6\uff08\u4f7f\u7528\u201c.live()\u201d\u6bd4\u4e0d\u65ad\u91cd\u65b0\u7ed1\u5b9a\u6210\u672c\u66f4\u4f4e\uff09\uff0c\u8fd9\u975e\u5e38\u6709\u7528\u3002<\/p>\n
    \u4f46\u662f\uff0c\u8981\u5c0f\u5fc3\uff01<\/strong>\u5982\u679c\u60a8\u60f3\u59d4\u6258\u201c\uff0c\u5219\u5fc5\u987b\u4f7f\u7528\u4e8b\u4ef6\u540d\u79f0\u201cfocusin<\/strong>\u201d\u548c\u201cfocusout<\/strong>\u201d\u7126\u70b9\u201d\u548c\u201c\u6a21\u7cca\u201d\u4e8b\u4ef6\uff01<\/p>\n
    jQuery('input').live('focusin', function(){\n    \/\/ do something with this\n});\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    6\u3002\u63a7\u5236\u51fd\u6570\u7684\u4e0a\u4e0b\u6587<\/h3>\n
    jQuery 1.4 \u5728 jQuery \u547d\u540d\u7a7a\u95f4\u4e0b\u63d0\u4f9b\u4e86\u4e00\u4e2a\u65b0\u7684\u201cproxy\u201d\u51fd\u6570\u3002\u8be5\u51fd\u6570\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff0c\u8981\u4e48\u662f\u201c\u8303\u56f4\u201d\u548c\u65b9\u6cd5\u540d\u79f0\uff0c\u8981\u4e48\u662f\u51fd\u6570\u548c\u9884\u671f\u8303\u56f4\u3002 JavaScript \u7684\u201cthis\u201d\u5173\u952e\u5b57\u53ef\u80fd\u5f88\u96be\u638c\u63e1\u3002\u6709\u65f6\u60a8\u4e0d\u5e0c\u671b\u5b83\u662f\u4e00\u4e2a\u5143\u7d20\uff0c\u800c\u662f\u60a8\u4e4b\u524d\u521b\u5efa\u7684\u4e00\u4e2a\u5bf9\u8c61\u3002<\/p>\n
    \u4f8b\u5982\uff0c\u8fd9\u91cc\u6211\u4eec\u6709\u4e00\u4e2a\u201capp\u201d\u5bf9\u8c61\uff0c\u5b83\u6709\u4e24\u4e2a\u5c5e\u6027\uff0c\u4e00\u4e2a\u201cclickHandler\u201d\u65b9\u6cd5\u548c\u4e00\u4e2a\u914d\u7f6e\u5bf9\u8c61\uff1a<\/p>\n
    var app = {\n    config: {\n        clickMessage: 'Hi!'\n    },\n    clickHandler: function() {\n        alert(this.config.clickMessage);\n    }\n};\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
     \u201cclickHandler\u201d\u65b9\u6cd5\uff0c\u5f53\u50cf\u201capp.clickHandler()\u201d\u8fd9\u6837\u8c03\u7528\u65f6\uff0c\u5c06\u4ee5\u201capp\u201d\u4f5c\u4e3a\u5176\u4e0a\u4e0b\u6587\uff0c\u8fd9\u610f\u5473\u7740\u201cthis\u201d\u5173\u952e\u5b57\u5c06\u5141\u8bb8\u5b83\u8bbf\u95ee\u201c app\u201d\u3002\u5982\u679c\u6211\u4eec\u7b80\u5355\u5730\u8c03\u7528\uff1a<\/p>\n
    app.clickHandler(); \/\/ \"Hi!\" is alerted\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u8ba9\u6211\u4eec\u5c1d\u8bd5\u5c06\u5176\u7ed1\u5b9a\u4e3a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff1a<\/p>\n
    jQuery('a').bind('click', app.clickHandler);\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5f53\u6211\u4eec\u5355\u51fb\u951a\u70b9\u65f6\uff0c\u5b83\u4f3c\u4e4e\u4e0d\u8d77\u4f5c\u7528\uff08\u6ca1\u6709\u4efb\u4f55\u8b66\u62a5\uff09\u3002\u8fd9\u662f\u56e0\u4e3a jQuery\uff08\u4ee5\u53ca\u5927\u591a\u6570\u7406\u667a\u7684\u4e8b\u4ef6\u6a21\u578b\uff09\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4f1a\u5c06\u5904\u7406\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u8bbe\u7f6e\u4e3a\u76ee\u6807\u5143\u7d20\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u521a\u521a\u5355\u51fb\u7684\u5143\u7d20\u5c06\u53ef\u4ee5\u901a\u8fc7\u201cthis\u201d\u8bbf\u95ee\u3002\u4f46\u6211\u4eec\u4e0d\u5e0c\u671b\u8fd9\u6837\uff0c\u6211\u4eec\u5e0c\u671b\u5c06\u201cthis\u201d\u8bbe\u7f6e\u4e3a\u201capp\u201d\u3002\u5728 jQuery 1.4 \u4e2d\u5b9e\u73b0\u8fd9\u4e00\u70b9\u518d\u7b80\u5355\u4e0d\u8fc7\u4e86\uff1a<\/p>\n
    jQuery('a').bind(\n    'click',\n    jQuery.proxy(app, 'clickHandler')\n);\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u73b0\u5728\uff0c\u6bcf\u5f53\u70b9\u51fb\u951a\u70b9\u65f6\uff0c\u201c\u55e8\uff01\u201d\u5c06\u4f1a\u6536\u5230\u8b66\u62a5\uff01<\/p>\n
    \u4ee3\u7406\u51fd\u6570\u8fd4\u56de\u51fd\u6570\u7684\u201c\u5305\u88c5\u201d\u7248\u672c\uff0c\u5e76\u5c06\u201cthis\u201d\u8bbe\u7f6e\u4e3a\u60a8\u6307\u5b9a\u7684\u4efb\u4f55\u5185\u5bb9\u3002\u5b83\u5728\u5176\u4ed6\u4e0a\u4e0b\u6587\u4e2d\u4e5f\u5f88\u6709\u7528\uff0c\u4f8b\u5982\u5c06\u56de\u8c03\u4f20\u9012\u7ed9\u5176\u4ed6 jQuery \u65b9\u6cd5\u6216\u63d2\u4ef6\u3002<\/p>\n
    \u4e86\u89e3\u6709\u5173 jQuery.proxy<\/p>\n
    7\u3002\u5ef6\u8fdf\u52a8\u753b\u961f\u5217<\/h3>\n
    \u60a8\u73b0\u5728\u53ef\u4ee5\u5411\u52a8\u753b\u961f\u5217\u6dfb\u52a0\u5ef6\u8fdf\u3002\u4e8b\u5b9e\u4e0a\uff0c\u8fd9\u9002\u7528\u4e8e\u4efb\u4f55\u961f\u5217\uff0c\u4f46\u5176\u6700\u5e38\u89c1\u7684\u7528\u4f8b\u53ef\u80fd\u662f\u201cfx\u201d\u961f\u5217\u3002\u8fd9\u5141\u8bb8\u60a8\u5728\u52a8\u753b\u4e4b\u95f4\u6682\u505c\uff0c\u800c\u4e0d\u5fc5\u6df7\u4e71\u56de\u8c03\u548c\u8c03\u7528\u201csetTimeout\u201d\u3002 \u201c.delay()\u201d\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u60a8\u60f3\u8981\u5ef6\u8fdf\u7684\u6beb\u79d2\u6570\u3002<\/p>\n
    jQuery('#foo')\n    .slideDown() \/\/ Slide down\n    .delay(200) \/\/ Do nothing for 200 ms\n    .fadeIn(); \/\/ Fade in\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u5982\u679c\u60a8\u60f3\u8981\u5ef6\u8fdf\u9ed8\u8ba4\u201cfx\u201d\u961f\u5217\u4ee5\u5916\u7684\u961f\u5217\uff0c\u5219\u9700\u8981\u5c06\u961f\u5217\u540d\u79f0\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9\u201c.delay()\u201d\u3002<\/p>\n
    \u4e86\u89e3\u66f4\u591a\u5173\u4e8e .delay(\u2026)<\/p>\n
    8\u3002\u68c0\u67e5\u5143\u7d20\u662f\u5426\u6709<\/em>\u67d0\u7269<\/h3>\n
    jQuery 1.4 \u53ef\u4ee5\u8f7b\u677e\u68c0\u67e5\u5143\u7d20\uff08\u6216\u96c6\u5408\uff09\u201c.has()\u201d\u662f\u5426\u6709\u67d0\u4e9b\u5185\u5bb9\u3002\u8fd9\u76f8\u5f53\u4e8e jQuery \u7684\u9009\u62e9\u5668\u8fc7\u6ee4\u5668\u201c:has()\u201d\u7684\u7f16\u7a0b\u65b9\u5f0f\u3002\u6b64\u65b9\u6cd5\u5c06\u9009\u62e9\u5f53\u524d\u96c6\u5408\u4e2d\u81f3\u5c11\u5305\u542b\u4e00\u4e2a\u7b26\u5408\u4f20\u9012\u9009\u62e9\u5668\u7684\u5143\u7d20\u7684\u6240\u6709\u5143\u7d20\u3002<\/p>\n
    jQuery('div').has('ul');\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u8fd9\u5c06\u9009\u62e9\u5305\u542b UL \u5143\u7d20\u7684\u6240\u6709 DIV \u5143\u7d20\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u80fd\u53ea\u4f7f\u7528\u9009\u62e9\u5668\u8fc7\u6ee4\u5668\uff08\u201c:has()\u201d\uff09\uff0c\u4f46\u662f\u5f53\u60a8\u9700\u8981\u4ee5\u7f16\u7a0b\u65b9\u5f0f\u8fc7\u6ee4\u96c6\u5408\u65f6\uff0c\u6b64\u65b9\u6cd5\u4ecd\u7136\u6709\u7528\u3002<\/p>\n
    jQuery 1.4 \u8fd8\u63ed\u793a\u4e86 jQuery \u547d\u540d\u7a7a\u95f4\u4e0b\u7684\u201ccontains\u201d\u51fd\u6570\u3002\u8fd9\u662f\u4e00\u4e2a\u63a5\u53d7\u4e24\u4e2a DOM \u8282\u70b9\u7684\u4f4e\u7ea7\u51fd\u6570\u3002\u5b83\u5c06\u8fd4\u56de\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u6307\u793a\u7b2c\u4e8c\u4e2a\u5143\u7d20\u662f\u5426\u5305\u542b\u5728\u7b2c\u4e00\u4e2a\u5143\u7d20\u4e2d\u3002\u4f8b\u5982<\/p>\n
    jQuery.contains(document.documentElement, document.body);\n\/\/ Returns true -  is within \n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u9605\u8bfb\u66f4\u591a\u5185\u5bb9\uff1a.has(…), jQuery.contains(…)<\/p>\n
    9\u3002\u5c55\u5f00\u5143\u7d20\uff01<\/h3>\n
    \u6211\u4eec\u4f7f\u7528\u201c.wrap()\u201d\u65b9\u6cd5\u5df2\u7ecf\u6709\u4e00\u6bb5\u65f6\u95f4\u4e86\u3002 jQuery 1.4 \u6dfb\u52a0\u4e86\u201c.unwrap()\u201d\u65b9\u6cd5\uff0c\u5176\u4f5c\u7528\u5b8c\u5168\u76f8\u53cd\u3002\u5982\u679c\u6211\u4eec\u5047\u8bbe\u4ee5\u4e0b DOM \u7ed3\u6784\uff1a<\/p>\n
    <div>\n    <p>Foo<\/p>\n<\/div>\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u6211\u4eec\u53ef\u4ee5\u50cf\u8fd9\u6837\u5c55\u5f00\u6bb5\u843d\u5143\u7d20\uff1a<\/p>\n
    jQuery('p').unwrap();\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u751f\u6210\u7684 DOM \u7ed3\u6784\u5c06\u662f\uff1a<\/p>\n
    <p>Foo<\/p>\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u672c\u8d28\u4e0a\uff0c\u6b64\u65b9\u6cd5\u53ea\u662f\u5220\u9664\u4efb\u4f55\u5143\u7d20\u7684\u7236\u5143\u7d20\u3002<\/p>\n
    \u4e86\u89e3\u66f4\u591a\u5173\u4e8e .unwrap(\u2026)<\/p>\n
    10\u3002\u5220\u9664\u5143\u7d20\u800c\u4e0d\u5220\u9664\u6570\u636e<\/h3>\n
    \u65b0\u7684\u201c.detach()<\/strong>\u201d\u65b9\u6cd5\u5141\u8bb8\u60a8\u4ece DOM \u4e2d\u5220\u9664\u5143\u7d20\uff0c\u4e0e\u201c.remove()\u201d\u65b9\u6cd5\u975e\u5e38\u76f8\u4f3c\u3002\u8fd9\u79cd\u65b0\u65b9\u6cd5\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u5b83\u4e0d\u4f1a\u7834\u574f jQuery \u5728\u8be5\u5143\u7d20\u4e0a\u4fdd\u5b58\u7684\u6570\u636e\u3002\u8fd9\u5305\u62ec\u901a\u8fc7\u201c.data()\u201d\u6dfb\u52a0\u7684\u6570\u636e\u4ee5\u53ca\u901a\u8fc7 jQuery \u4e8b\u4ef6\u7cfb\u7edf\u6dfb\u52a0\u7684\u4efb\u4f55\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002<\/p>\n
    \u5f53\u60a8\u9700\u8981\u4ece DOM \u4e2d\u5220\u9664\u5143\u7d20\uff0c\u4f46\u60a8\u77e5\u9053\u7a0d\u540e\u9700\u8981\u5c06\u5176\u6dfb\u52a0\u56de\u6765\u65f6\uff0c\u8fd9\u4f1a\u5f88\u6709\u7528\u3002\u5176\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u548c\u4efb\u4f55\u5176\u4ed6\u6570\u636e\u90fd\u5c06\u4fdd\u7559\u3002<\/p>\n
    var foo = jQuery('#foo');\n\n\/\/ Bind an important event handler\nfoo.click(function(){\n    alert('Foo!');\n});\n\nfoo.detach(); \/\/ Remove it from the DOM\n\n\/\/ \u2026 do stuff\n\nfoo.appendTo('body'); \/\/ Add it back to the DOM\n\nfoo.click(); \/\/ alerts \"Foo!\"\n<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u4e86\u89e3\u6709\u5173 .detach(…)<\/p>\n
    11\u3002\u7d22\u5f15\uff08…\uff09\u589e\u5f3a\u529f\u80fd<\/h3>\n
    jQuery 1.4 \u4e3a\u60a8\u63d0\u4f9b\u4e86\u4e24\u79cd\u4f7f\u7528\u201c.index()\u201d\u65b9\u6cd5\u7684\u65b0\u65b9\u6cd5\u3002\u4ee5\u524d\uff0c\u60a8\u53ea\u80fd\u4f20\u9012\u4e00\u4e2a\u5143\u7d20\u4f5c\u4e3a\u5176\u53c2\u6570\uff0c\u5e76\u4e14\u60a8\u5e0c\u671b\u8fd4\u56de\u4e00\u4e2a\u6570\u5b57\uff0c\u6307\u793a\u8be5\u5143\u7d20\u5728\u5f53\u524d\u96c6\u5408\u4e2d\u7684\u7d22\u5f15\u3002<\/p>\n
    \u73b0\u5728\u4e0d\u4f20\u9012\u4efb\u4f55\u53c2\u6570\u4f1a\u8fd4\u56de\u5143\u7d20\u5728\u5176\u540c\u7ea7\u5143\u7d20\u4e2d\u7684\u7d22\u5f15\u3002\u56e0\u6b64\uff0c\u5047\u8bbe\u4ee5\u4e0b DOM \u7ed3\u6784\uff1a<\/p>\n
    <\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236    \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \n
    • Apple<\/li>\n
    • Banana<\/li>\n
    • Grape<\/li>\n
    • Strawberry<\/li>\n
    • Pear<\/li>\n
    • Peach<\/li>\n<\/ul>\n
      \u5f53\u5355\u51fb\u4e00\u4e2a\u5217\u8868\u9879\u65f6\uff0c\u60a8\u60f3\u8981\u627e\u51fa\u88ab\u5355\u51fb\u5143\u7d20\u5728\u6240\u6709\u5176\u4ed6\u5217\u8868\u9879\u4e2d\u7684\u7d22\u5f15\u3002\u5f88\u7b80\u5355\uff1a<\/p>\n
      jQuery('li').click(function(){\n    alert( jQuery(this).index() );\n});\n<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      jQuery 1.4 \u8fd8\u5141\u8bb8\u60a8\u6307\u5b9a\u4e00\u4e2a\u9009\u62e9\u5668\u4f5c\u4e3a\u201c.index()\u201d\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u8fd9\u6837\u505a\u5c06\u4e3a\u60a8\u63d0\u4f9b\u4ece\u8be5\u9009\u62e9\u5668\u751f\u6210\u7684\u96c6\u5408\u4e2d\u5f53\u524d\u5143\u7d20\u7684\u7d22\u5f15\u3002<\/p>\n
      \u60a8\u5e94\u8be5\u6ce8\u610f\uff0c\u6b64\u65b9\u6cd5\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u6574\u6570\uff0c\u5982\u679c\u5728\u6587\u6863\u4e2d\u627e\u4e0d\u5230\u4f20\u9012\u7684\u9009\u62e9\u5668\/\u5143\u7d20\uff0c\u5b83\u5c06\u8fd4\u56de -1\u3002 <\/p>\n
      \u4e86\u89e3\u66f4\u591a\u5173\u4e8e .index(\u2026)<\/p>\n
      12\u3002 DOM \u64cd\u4f5c\u65b9\u6cd5\u63a5\u53d7\u56de\u8c03<\/h3>\n
      \u5927\u591a\u6570 DOM \u64cd\u4f5c\u65b9\u6cd5\u73b0\u5728\u652f\u6301\u4f20\u9012\u51fd\u6570\u4f5c\u4e3a\u552f\u4e00\u53c2\u6570\uff08\u6216\u7b2c\u4e8c\u4e2a\u53c2\u6570\uff0c\u5728\u201c.css()\u201d\u548c\u201c.attr()\u201d\u7684\u60c5\u51b5\u4e0b\uff09\u3002\u6b64\u51fd\u6570\u5c06\u5728\u96c6\u5408\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u4e0a\u8fd0\u884c\uff0c\u4ee5\u786e\u5b9a\u5e94\u7528\u4f5c\u8be5\u65b9\u6cd5\u7684\u5b9e\u9645\u503c\u7684\u5185\u5bb9\u3002 <\/p>\n
      \u4ee5\u4e0b\u65b9\u6cd5\u5177\u6709\u6b64\u529f\u80fd\uff1a<\/p>\n
        \n
      • \u4e4b\u540e<\/li>\n
      • \u4e4b\u524d<\/li>\n
      • \u8ffd\u52a0<\/li>\n
      • \u524d\u7f6e<\/li>\n
      • \u6dfb\u52a0\u7c7b<\/li>\n
      • \u5207\u6362\u7c7b<\/li>\n
      • \u5220\u9664\u7c7b<\/li>\n
      • \u5305\u88f9<\/li>\n
      • \u5305\u88f9\u6240\u6709<\/li>\n
      • \u5305\u88f9\u5185\u90e8<\/li>\n
      • \u503c<\/li>\n
      • \u6587\u672c<\/li>\n
      • \u66ff\u6362\u4e3a<\/li>\n
      • CSS<\/li>\n
      • \u5c5e\u6027<\/li>\n
      • html<\/li>\n<\/ul>\n
        \u5728\u56de\u8c03\u51fd\u6570\u4e2d\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u201cthis\u201d\u8bbf\u95ee\u96c6\u5408\u4e2d\u7684\u5f53\u524d\u5143\u7d20\uff0c\u5e76\u901a\u8fc7\u7b2c\u4e00\u4e2a\u53c2\u6570\u8bbf\u95ee\u5176\u7d22\u5f15\u3002<\/p>\n
        jQuery('li').html(function(i){\n    return 'Index of this list item: ' + i;\n});\n<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u6b64\u5916\uff0c\u4f7f\u7528\u4e0a\u8ff0\u67d0\u4e9b\u65b9\u6cd5\uff0c\u60a8\u8fd8\u5c06\u83b7\u5f97\u7b2c\u4e8c\u4e2a\u53c2\u6570\u3002\u5982\u679c\u60a8\u8c03\u7528 setter \u65b9\u6cd5\uff08\u4f8b\u5982\u201c.html()\u201d\u6216\u201c.attr(‘href)\u201d\uff09\uff0c\u60a8\u5c06\u53ef\u4ee5\u8bbf\u95ee\u5f53\u524d\u503c\u3002\u4f8b\u5982<\/p>\n
        jQuery('a').attr('href', function(i, currentHref){\n    return currentHref + '?foo=bar';\n});\n<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u5982\u60a8\u6240\u89c1\uff0c\u4f7f\u7528\u201c.css()\u201d\u548c\u201c.attr()\u201d\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5c06\u8be5\u51fd\u6570\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4f20\u9012\uff0c\u56e0\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\u5c06\u7528\u4e8e\u547d\u540d\u60a8\u60f3\u8981\u66f4\u6539\u7684\u5c5e\u6027\uff1a<\/p>\n
        jQuery('li').css('color', function(i, currentCssColor){\n    return i % 2 ? 'red' : 'blue';\n});\n<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        13\u3002\u786e\u5b9a\u5bf9\u8c61\u7684\u7c7b\u578b<\/h3>\n
        jQuery 1.4 \u6dfb\u52a0\u4e86\u4e24\u4e2a\u65b0\u7684\u8f85\u52a9\u51fd\u6570\uff08\u76f4\u63a5\u5b58\u50a8\u5728 jQuery \u547d\u540d\u7a7a\u95f4\u4e0b\uff09\uff0c\u53ef\u5e2e\u52a9\u60a8\u786e\u5b9a\u6b63\u5728\u5904\u7406\u7684\u5bf9\u8c61\u7c7b\u578b\u3002<\/p>\n
        \u9996\u5148\uff0c\u6709\u201cisEmptyObject\u201d\uff0c\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u6307\u793a\u4f20\u9012\u7684\u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a\uff08\u7f3a\u4e4f\u5c5e\u6027 – \u76f4\u63a5\u548c<\/em>\u7ee7\u627f\uff09\u3002\u5176\u6b21\uff0c\u201cisPlainObject\u201d\uff0c\u5b83\u5c06\u8fd4\u56de\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u6307\u793a\u4f20\u9012\u7684\u5bf9\u8c61\u662f\u5426\u662f\u7eaf JavaScript \u5bf9\u8c61\uff0c\u5373\u901a\u8fc7\u201c{}\u201d\u6216\u201cnew Object()\u201d\u521b\u5efa\u7684\u5bf9\u8c61\u3002 <\/p>\n
        jQuery.isEmptyObject({}); \/\/ true\njQuery.isEmptyObject({foo:1}); \/\/ false\n\njQuery.isPlainObject({}); \/\/ true\njQuery.isPlainObject(window); \/\/ false \njQuery.isPlainObject(jQuery()); \/\/ false\n<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u4e86\u89e3\u66f4\u591a\uff1a isPlainObject(…), isEmptyObject(…)<\/p>\n
        14\u3002\u6700\u8fd1\u7684\uff08…\uff09\u589e\u5f3a\u529f\u80fd<\/h3>\n
        jQuery \u7684\u201c.closest()\u201d\u65b9\u6cd5\u73b0\u5728\u63a5\u53d7\u9009\u62e9\u5668\u6570\u7ec4\u3002\u5f53\u60a8\u60f3\u8981\u904d\u5386\u5143\u7d20\u7684\u7956\u5148\uff0c\u67e5\u627e\uff08\u591a\u4e2a\uff09\u5177\u6709\u67d0\u4e9b\u7279\u5f81\u7684\u6700\u63a5\u8fd1\u5143\u7d20\u65f6\uff0c\u8fd9\u975e\u5e38\u6709\u7528\u3002<\/p>\n
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        \u4e86\u89e3\u66f4\u591a\u5173\u4e8e .closest(\u2026)<\/p>\n
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