{"id":12496,"date":"2023-11-28T22:56:05","date_gmt":"2023-11-28T14:56:05","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=12496"},"modified":"2023-11-29T22:33:30","modified_gmt":"2023-11-29T14:33:30","slug":"javascript-zhongjquery-zhongget-heeq-you-shen-me-q","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/javascript-zhongjquery-zhongget-heeq-you-shen-me-q\/","title":{"rendered":"JavaScript \u4e2d jQuery \u4e2d get \u548c eq \u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"

\u5728 jQuery \u4e2d\uff0cget()<\/code> \u548c eq()<\/code> \u90fd\u662f\u7528\u4e8e\u83b7\u53d6\u5143\u7d20\u96c6\u5408\u4e2d\u7279\u5b9a\u5143\u7d20\u7684\u65b9\u6cd5\uff0c\u4f46\u5b83\u4eec\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b\uff1a<\/p>\n

    \n
  1. \n

    get()<\/code> \u65b9\u6cd5<\/strong>\uff1a<\/p>\n

      \n
    • get()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5c06 jQuery \u5bf9\u8c61\u8f6c\u6362\u4e3a\u539f\u751f\u7684 JavaScript \u6570\u7ec4\uff0c\u5e76\u83b7\u53d6\u7279\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u7684\u5143\u7d20\u3002<\/li>\n
    • \u5b83\u8fd4\u56de\u7684\u662f\u539f\u751f JavaScript \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u800c\u4e0d\u662f jQuery \u5bf9\u8c61\u3002<\/li>\n
    • \u53ef\u4ee5\u4f20\u5165\u4e00\u4e2a\u7d22\u5f15\u503c\u6765\u83b7\u53d6\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\uff0c\u4e5f\u53ef\u4ee5\u4e0d\u4f20\u5165\u7d22\u5f15\u503c\u6765\u83b7\u53d6\u6574\u4e2a\u5143\u7d20\u6570\u7ec4\u3002<\/li>\n<\/ul>\n
      const elements = $('div'); \/\/ \u83b7\u53d6\u6240\u6709 div \u5143\u7d20\u7684 jQuery \u5bf9\u8c61\nconst firstElement = elements.get(0); \/\/ \u83b7\u53d6\u7b2c\u4e00\u4e2a div \u5143\u7d20\u7684\u539f\u751f DOM \u5bf9\u8c61\nconst allElements = elements.get(); \/\/ \u83b7\u53d6\u6240\u6709 div \u5143\u7d20\u7684\u539f\u751f DOM \u5bf9\u8c61\u6570\u7ec4\n<\/code><\/pre>\n<\/li>\n
    • \n
      eq()<\/code> \u65b9\u6cd5<\/strong>\uff1a<\/p>\n
        \n
      • eq()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5728 jQuery \u5bf9\u8c61\u4e2d\u7b5b\u9009\u7279\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u7684\u5143\u7d20\uff0c\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684 jQuery \u5bf9\u8c61\u3002<\/li>\n
      • \u5b83\u8fd4\u56de\u7684\u4ecd\u7136\u662f jQuery \u5bf9\u8c61\uff0c\u53ea\u662f\u7b5b\u9009\u51fa\u7279\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u7684\u5143\u7d20\u4f5c\u4e3a\u4e00\u4e2a\u65b0\u7684 jQuery \u5bf9\u8c61\u3002<\/li>\n<\/ul>\n
        const elements = $('div'); \/\/ \u83b7\u53d6\u6240\u6709 div \u5143\u7d20\u7684 jQuery \u5bf9\u8c61\nconst secondElement = elements.eq(1); \/\/ \u83b7\u53d6\u7b2c\u4e8c\u4e2a div \u5143\u7d20\u7684 jQuery \u5bf9\u8c61\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
        \u5173\u952e\u533a\u522b\u5728\u4e8e\u8fd4\u56de\u503c\uff1aget()<\/code> \u8fd4\u56de\u7684\u662f\u539f\u751f DOM \u5143\u7d20\u6216\u8005 DOM \u5143\u7d20\u6570\u7ec4\uff0c\u800c eq()<\/code> \u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u65b0\u7684 jQuery \u5bf9\u8c61\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u6307\u5b9a\u7d22\u5f15\u4f4d\u7f6e\u7684\u5143\u7d20\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u9700\u8981\u64cd\u4f5c\u539f\u751f DOM \u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 get()<\/code> \u65b9\u6cd5\uff0c\u5982\u679c\u9700\u8981\u5728 jQuery \u96c6\u5408\u4e2d\u7b5b\u9009\u7279\u5b9a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 eq()<\/code> \u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u5728 jQuery \u4e2d\uff0cget() \u548c eq() \u90fd\u662f\u7528\u4e8e\u83b7\u53d6\u5143\u7d20\u96c6\u5408\u4e2d\u7279\u5b9a\u5143\u7d20\u7684\u65b9\u6cd5\uff0c\u4f46\u5b83\u4eec\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b\uff1a […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[115],"tags":[],"class_list":["post-12496","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=12496"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12496\/revisions"}],"predecessor-version":[{"id":13552,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12496\/revisions\/13552"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=12496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=12496"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=12496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}