{"id":4758,"date":"2022-03-27T20:43:16","date_gmt":"2022-03-27T12:43:16","guid":{"rendered":"https:\/\/egonlin.com\/?p=4758"},"modified":"2022-03-27T20:43:16","modified_gmt":"2022-03-27T12:43:16","slug":"%e7%ac%ac%e4%ba%8c%e8%8a%82%ef%bc%9ajq%e9%80%89%e6%8b%a9%e5%99%a8","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=4758","title":{"rendered":"\u7b2c\u4e8c\u8282\uff1ajq\u9009\u62e9\u5668"},"content":{"rendered":"

\u9009\u62e9\u5668<\/h1>\n

\u901a\u8fc7\u9009\u62e9\u5668\uff0c\u53ef\u4ee5\u83b7\u53d6\u5230\u9875\u9762\u5143\u7d20\u3002jQuery\u5177\u6709\u5f3a\u5927\u7684\u9009\u62e9\u5668\uff0c\u8ddfCSS3\u9009\u62e9\u5668\u7c7b\u4f3c<\/p>\n

1 \u57fa\u672c\u9009\u62e9\u5668<\/h2>\n
#id         \u6839\u636e\u7ed9\u5b9a\u7684ID\u5339\u914d\u4e00\u4e2a\u5143\u7d20\nelement     \u6839\u636e\u7ed9\u5b9a\u7684\u5143\u7d20\u6807\u7b7e\u540d\u5339\u914d\u6240\u6709\u5143\u7d20\n.class      \u6839\u636e\u7ed9\u5b9a\u7684css\u7c7b\u540d\u5339\u914d\u5143\u7d20\u3002\n*           \u5339\u914d\u6240\u6709\u5143\u7d20\nselector1,selector2,selectorN   \u5c06\u6bcf\u4e00\u4e2a\u9009\u62e9\u5668\u5339\u914d\u5230\u7684\u5143\u7d20\u5408\u5e76\u540e\u4e00\u8d77\u8fd4\u56de<\/code><\/pre>\n
2 \u5c42\u7ea7\u9009\u62e9\u5668<\/h2>\n
ancestor descendant \u5728\u7ed9\u5b9a\u7684\u7956\u5148\u5143\u7d20\u4e0b\u5339\u914d\u6240\u6709\u7684\u540e\u4ee3\u5143\u7d20\nparent>child     \u5728\u7ed9\u5b9a\u7684\u7236\u5143\u7d20\u4e0b\u5339\u914d\u6240\u6709\u7684\u5b50\u5143\u7d20\nprev+next           \u5339\u914d\u6240\u6709\u7d27\u63a5\u5728 prev \u5143\u7d20\u540e\u7684 next \u5143\u7d20\nprev~siblings       \u5339\u914d prev \u5143\u7d20\u4e4b\u540e\u7684\u6240\u6709 siblings \u5143\u7d20<\/code><\/pre>\n
3 \u8fc7\u6ee4\u9009\u62e9\u5668<\/h2>\n
:first          \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\n:not(selector)  \u53bb\u9664\u6240\u6709\u4e0e\u7ed9\u5b9a\u9009\u62e9\u5668\u5339\u914d\u7684\u5143\u7d20\n:even           \u5339\u914d\u6240\u6709\u7d22\u5f15\u503c\u4e3a\u5076\u6570\u7684\u5143\u7d20\uff0c\u4ece 0 \u5f00\u59cb\u8ba1\u6570\n:odd            \u5339\u914d\u6240\u6709\u7d22\u5f15\u503c\u4e3a\u5947\u6570\u7684\u5143\u7d20\uff0c\u4ece 0 \u5f00\u59cb\u8ba1\u6570\n:eq(index)      \u5339\u914d\u4e00\u4e2a\u7ed9\u5b9a\u7d22\u5f15\u503c\u7684\u5143\u7d20\n:gt(index)      \u5339\u914d\u6240\u6709\u5927\u4e8e\u7ed9\u5b9a\u7d22\u5f15\u503c\u7684\u5143\u7d20\n:lang           \u9009\u62e9\u6307\u5b9a\u8bed\u8a00\u7684\u6240\u6709\u5143\u7d20\u30021.9+\n:last           \u83b7\u53d6\u6700\u540e\u4e2a\u5143\u7d20\n:lt(index)      \u5339\u914d\u6240\u6709\u5c0f\u4e8e\u7ed9\u5b9a\u7d22\u5f15\u503c\u7684\u5143\u7d20\n:header         \u5339\u914d\u5982 h1, h2, h3\u4e4b\u7c7b\u7684\u6807\u9898\u5143\u7d20\n:animated       \u5339\u914d\u6240\u6709\u6b63\u5728\u6267\u884c\u52a8\u753b\u6548\u679c\u7684\u5143\u7d20\n:focus          \u5339\u914d\u5f53\u524d\u83b7\u53d6\u7126\u70b9\u7684\u5143\u7d20\n:root           \u9009\u62e9\u8be5\u6587\u6863\u7684\u6839\u5143\u7d20   1.9+\n:target         \u9009\u62e9\u7531\u6587\u6863URI\u7684\u683c\u5f0f\u5316\u8bc6\u522b\u7801\u8868\u793a\u7684\u76ee\u6807\u5143\u7d20    1.9<\/code><\/pre>\n
4 \u5185\u5bb9\u9009\u62e9\u5668<\/h2>\n
:contains(text) \u5339\u914d\u5305\u542b\u7ed9\u5b9a\u6587\u672c\u7684\u5143\u7d20\n:empty          \u5339\u914d\u6240\u6709\u4e0d\u5305\u542b\u5b50\u5143\u7d20\u6216\u8005\u6587\u672c\u7684\u7a7a\u5143\u7d20\n:has(selector)  \u5339\u914d\u542b\u6709\u9009\u62e9\u5668\u6240\u5339\u914d\u7684\u5143\u7d20\u7684\u5143\u7d20\n:parent         \u5339\u914d\u542b\u6709\u5b50\u5143\u7d20\u6216\u8005\u6587\u672c\u7684\u5143\u7d20<\/code><\/pre>\n
5 \u53ef\u89c1\u6027\u9009\u62e9\u5668<\/h2>\n
:hidden     \u5339\u914d\u6240\u6709\u4e0d\u53ef\u89c1\u5143\u7d20\uff0c\u6216\u8005type\u4e3ahidden\u7684\u5143\u7d20\n:visible    \u5339\u914d\u6240\u6709\u7684\u53ef\u89c1\u5143\u7d20<\/code><\/pre>\n
6 \u5c5e\u6027\u9009\u62e9\u5668<\/h2>\n
[attribute]         \u5339\u914d\u5305\u542b\u7ed9\u5b9a\u5c5e\u6027\u7684\u5143\u7d20\n[attribute=value]   \u5339\u914d\u7ed9\u5b9a\u7684\u5c5e\u6027\u662f\u67d0\u4e2a\u7279\u5b9a\u503c\u7684\u5143\u7d20\n[attribute!=value]  \u5339\u914d\u6240\u6709\u4e0d\u542b\u6709\u6307\u5b9a\u7684\u5c5e\u6027\uff0c\u6216\u8005\u5c5e\u6027\u4e0d\u7b49\u4e8e\u7279\u5b9a\u503c\u7684\u5143\u7d20\n[attribute^=value]  \u5339\u914d\u7ed9\u5b9a\u7684\u5c5e\u6027\u662f\u4ee5\u67d0\u4e9b\u503c\u5f00\u59cb\u7684\u5143\u7d20\n[attribute$=value]  \u5339\u914d\u7ed9\u5b9a\u7684\u5c5e\u6027\u662f\u4ee5\u67d0\u4e9b\u503c\u7ed3\u5c3e\u7684\u5143\u7d20\n[attribute*=value]  \u5339\u914d\u7ed9\u5b9a\u7684\u5c5e\u6027\u662f\u4ee5\u5305\u542b\u67d0\u4e9b\u503c\u7684\u5143\u7d20\n[attrSel1][attrSel2][attrSelN]  \u590d\u5408\u5c5e\u6027\u9009\u62e9\u5668\uff0c\u9700\u8981\u540c\u65f6\u6ee1\u8db3\u591a\u4e2a\u6761\u4ef6\u65f6\u4f7f\u7528<\/code><\/pre>\n
7 \u5b50\u5143\u7d20\u9009\u62e9\u5668<\/h2>\n
:first-child        \u5339\u914d\u6240\u7ed9\u9009\u62e9\u5668( :\u4e4b\u524d\u7684\u9009\u62e9\u5668)\u7684\u7b2c\u4e00\u4e2a\u5b50\u5143\u7d20\n:first-of-type      \u7ed3\u6784\u5316\u4f2a\u7c7b\uff0c\u5339\u914dE\u7684\u7236\u5143\u7d20\u7684\u7b2c\u4e00\u4e2aE\u7c7b\u578b\u7684\u5b69\u5b50     1.9+\n:last-child         \u5339\u914d\u6700\u540e\u4e00\u4e2a\u5b50\u5143\u7d20\n:last-of-type       \u7ed3\u6784\u5316\u4f2a\u7c7b\uff0c\u5339\u914dE\u7684\u7236\u5143\u7d20\u7684\u6700\u540e\u4e00\u4e2aE\u7c7b\u578b\u7684\u5b69\u5b50    1.9+\n:nth-child()        \u5339\u914d\u5176\u7236\u5143\u7d20\u4e0b\u7684\u7b2cN\u4e2a\u5b50\u6216\u5947\u5076\u5143\u7d20       \n:nth-last-child()   \u9009\u62e9\u6240\u6709\u4ed6\u4eec\u7236\u5143\u7d20\u7684\u7b2cn\u4e2a\u5b50\u5143\u7d20\u3002\u8ba1\u6570\u4ece\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u5f00\u59cb\u5230\u7b2c\u4e00\u4e2a    1.9+\n:nth-last-of-type() \u9009\u62e9\u7684\u6240\u6709\u4ed6\u4eec\u7684\u7236\u7ea7\u5143\u7d20\u7684\u7b2cn\u4e2a\u5b50\u5143\u7d20\uff0c\u8ba1\u6570\u4ece\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u5230\u7b2c\u4e00\u4e2a   1.9+\n:nth-of-type()      \u9009\u62e9\u540c\u5c5e\u4e8e\u4e00\u4e2a\u7236\u5143\u7d20\u4e4b\u4e0b\uff0c\u5e76\u4e14\u6807\u7b7e\u540d\u76f8\u540c\u7684\u5b50\u5143\u7d20\u4e2d\u7684\u7b2cn\u4e2a   1.9+\n:only-child         \u5982\u679c\u67d0\u4e2a\u5143\u7d20\u662f\u7236\u5143\u7d20\u4e2d\u552f\u4e00\u7684\u5b50\u5143\u7d20\uff0c\u90a3\u5c06\u4f1a\u88ab\u5339\u914d\n:only-of-type       \u9009\u62e9\u6240\u6709\u6ca1\u6709\u5144\u5f1f\u5143\u7d20\uff0c\u4e14\u5177\u6709\u76f8\u540c\u7684\u5143\u7d20\u540d\u79f0\u7684\u5143\u7d20    1.9+<\/code><\/pre>\n
8 \u8868\u5355\u9009\u62e9\u5668<\/h2>\n
:input          \u5339\u914d\u6240\u6709 input, textarea, select \u548c button \u5143\u7d20\n:text           \u5339\u914d\u6240\u6709\u7684\u5355\u884c\u6587\u672c\u6846\n:password       \u5339\u914d\u6240\u6709\u5bc6\u7801\u6846\n:radio          \u5339\u914d\u6240\u6709\u5355\u9009\u6309\u94ae\n:checkbox       \u5339\u914d\u6240\u6709\u590d\u9009\u6846\n:submit         \u5339\u914d\u6240\u6709\u63d0\u4ea4\u6309\u94ae\uff0c\u5339\u914d type="submit" \u7684input\u6216\u8005button\n:image          \u5339\u914d\u6240\u6709\u56fe\u50cf\u57df\n:reset          \u5339\u914d\u6240\u6709\u91cd\u7f6e\u6309\u94ae\n:button         \u5339\u914d\u6240\u6709\u6309\u94ae\n:file           \u5339\u914d\u6240\u6709\u6587\u4ef6\u57df<\/code><\/pre>\n
9 \u8868\u5355\u5bf9\u8c61\u9009\u62e9\u5668<\/h2>\n
:enabled        \u5339\u914d\u6240\u6709\u53ef\u7528\u5143\u7d20\n:disabled       \u5339\u914d\u6240\u6709\u4e0d\u53ef\u7528\u5143\u7d20\n:checked        \u5339\u914d\u6240\u6709\u9009\u4e2d\u7684\u88ab\u9009\u4e2d\u5143\u7d20(\u590d\u9009\u6846\u3001\u5355\u9009\u6846\u7b49\uff0cselect\u4e2d\u7684option)\n:selected       \u5339\u914d\u6240\u6709\u9009\u4e2d\u7684option\u5143\u7d20<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u9009\u62e9\u5668 \u901a\u8fc7\u9009\u62e9\u5668\uff0c\u53ef\u4ee5\u83b7\u53d6\u5230\u9875\u9762\u5143\u7d20\u3002jQuery\u5177\u6709\u5f3a\u5927\u7684\u9009\u62e9\u5668\uff0c\u8ddfCSS3\u9009\u62e9\u5668\u7c7b\u4f3c 1 \u57fa\u672c\u9009\u62e9\u5668 # […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[361,365],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4758"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4758"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4758\/revisions"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}