{"id":6083,"date":"2022-04-03T19:26:35","date_gmt":"2022-04-03T11:26:35","guid":{"rendered":"https:\/\/egonlin.com\/?p=6083"},"modified":"2022-04-16T19:30:02","modified_gmt":"2022-04-16T11:30:02","slug":"%e7%ac%ac%e4%ba%94%e8%8a%82%ef%bc%9ajquery","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=6083","title":{"rendered":"\u7b2c\u4e94\u8282\uff1ajQuery"},"content":{"rendered":"

jQuery<\/h1>\n

\"\"<\/div><\/p>\n

\u4e00\u3001 jQuery\u4ecb\u7ecd<\/h2>\n

\u4ec0\u4e48\u662fJquery<\/p>\n

l jQuery \u662f\u4e00\u4e2a\u9ad8\u6548\u3001\u7cbe\u7b80\u5e76\u4e14\u529f\u80fd\u4e30\u5bcc\u7684 JavaScript \u5de5\u5177\u5e93\u3002<\/p>\n

l jQuery\u6781\u5927\u7684\u7b80\u5316\u4e86JavaScript \u7f16\u7a0b\u3002<\/p>\n

\u4e8c\u3001jQuery\u7684\u4f18\u52bf<\/h2>\n

l \u5f00\u6e90 \u514d\u8d39<\/p>\n

l \u4fbf\u6377\u7684\u9009\u62e9\u5668<\/p>\n

l \u65b9\u4fbf\u7684DOM\u64cd\u4f5c<\/p>\n

l \u65b9\u4fbf\u7684\u52a8\u753b\u7279\u6548<\/p>\n

l \u6613\u7528\u7684ajax\u64cd\u4f5c<\/p>\n

l \u4e30\u5bcc\u7684\u63d2\u4ef6\u6269\u5c55<\/p>\n

l \u89e3\u51b3\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u6548\u679c<\/p>\n

\u4e09\u3001jQuery\u9009\u62e9\u5668<\/h2>\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\u3001\u57fa\u672c\u9009\u62e9\u5668<\/h3>\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<\/code><\/pre>\n
selector1,selector2,selectorN   \u5c06\u6bcf\u4e00\u4e2a\u9009\u62e9\u5668\u5339\u914d\u5230\u7684\u5143\u7d20\u5408\u5e76\u540e\u4e00\u8d77\u8fd4\u56de<\/p>\n
2\u3001\u5c42\u7ea7\u9009\u62e9\u5668<\/h3>\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\u3001\u8fc7\u6ee4\u9009\u62e9\u5668<\/h3>\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\u3001\u53ef\u89c1\u6027\u9009\u62e9\u5668<\/h3>\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
5\u3001\u5c5e\u6027\u9009\u62e9\u5668<\/h3>\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
6\u3001\u5b50\u5143\u7d20\u9009\u62e9\u5668<\/h3>\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<\/code><\/pre>\n
7\u3001\u8868\u5355\u9009\u62e9\u5668<\/h3>\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
8\u3001\u8868\u5355\u5bf9\u8c61\u9009\u62e9\u5668<\/h3>\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)<\/code><\/pre>\n
\u56db\u3001jQuery\u4e8b\u4ef6<\/h2>\n
1\u3001\u4e8b\u4ef6\u64cd\u4f5c<\/h3>\n
\u9875\u9762\u8f7d\u5165\u4e8b\u4ef6<\/p>\n
$(document).ready(function(){\n  \/\/ \u5728\u8fd9\u91cc\u5199\u4f60\u7684\u4ee3\u7801...\n});<\/code><\/pre>\n
\u6216\u8005<\/p>\n
$(function($) {\n  \/\/ \u4f60\u53ef\u4ee5\u5728\u8fd9\u91cc\u7ee7\u7eed\u4f7f\u7528$\u4f5c\u4e3a\u522b\u540d...\n});<\/code><\/pre>\n
\u5e38\u7528\u4e8b\u4ef6<\/p>\n
onclick        \u5f53\u7528\u6237\u70b9\u51fb\u67d0\u4e2a\u5bf9\u8c61\u65f6\u8c03\u7528\u7684\u4e8b\u4ef6\u53e5\u67c4\u3002\nondblclick     \u5f53\u7528\u6237\u53cc\u51fb\u67d0\u4e2a\u5bf9\u8c61\u65f6\u8c03\u7528\u7684\u4e8b\u4ef6\u53e5\u67c4\u3002\nonfocus        \u5143\u7d20\u83b7\u5f97\u7126\u70b9\u3002               \/\/ \u7ec3\u4e60\uff1a\u8f93\u5165\u6846\nonblur         \u5143\u7d20\u5931\u53bb\u7126\u70b9\u3002               \u5e94\u7528\u573a\u666f\uff1a\u7528\u4e8e\u8868\u5355\u9a8c\u8bc1,\u7528\u6237\u79bb\u5f00\u67d0\u4e2a\u8f93\u5165\u6846\u65f6,\u4ee3\u8868\u5df2\u7ecf\u8f93\u5165\u5b8c\u4e86,\u6211\u4eec\u53ef\u4ee5\u5bf9\u5b83\u8fdb\u884c\u9a8c\u8bc1.\nonchange       \u57df\u7684\u5185\u5bb9\u88ab\u6539\u53d8\u3002             \u5e94\u7528\u573a\u666f\uff1a\u901a\u5e38\u7528\u4e8e\u8868\u5355\u5143\u7d20,\u5f53\u5143\u7d20\u5185\u5bb9\u88ab\u6539\u53d8\u65f6\u89e6\u53d1.\uff08select\u8054\u52a8\uff09\nonkeydown      \u67d0\u4e2a\u952e\u76d8\u6309\u952e\u88ab\u6309\u4e0b\u3002          \u5e94\u7528\u573a\u666f: \u5f53\u7528\u6237\u5728\u6700\u540e\u4e00\u4e2a\u8f93\u5165\u6846\u6309\u4e0b\u56de\u8f66\u6309\u952e\u65f6,\u8868\u5355\u63d0\u4ea4.\nonkeypress     \u67d0\u4e2a\u952e\u76d8\u6309\u952e\u88ab\u6309\u4e0b\u5e76\u677e\u5f00\u3002\nonkeyup        \u67d0\u4e2a\u952e\u76d8\u6309\u952e\u88ab\u677e\u5f00\u3002\nonload         \u4e00\u5f20\u9875\u9762\u6216\u4e00\u5e45\u56fe\u50cf\u5b8c\u6210\u52a0\u8f7d\u3002\nonmousedown    \u9f20\u6807\u6309\u94ae\u88ab\u6309\u4e0b\u3002\nonmousemove    \u9f20\u6807\u88ab\u79fb\u52a8\u3002\nonmouseout     \u9f20\u6807\u4ece\u67d0\u5143\u7d20\u79fb\u5f00\u3002\nonmouseover    \u9f20\u6807\u79fb\u5230\u67d0\u5143\u7d20\u4e4b\u4e0a\u3002\nonselect      \u5728\u6587\u672c\u6846\u4e2d\u7684\u6587\u672c\u88ab\u9009\u4e2d\u65f6\u53d1\u751f\u3002\nonsubmit      \u786e\u8ba4\u6309\u94ae\u88ab\u70b9\u51fb\uff0c\u4f7f\u7528\u7684\u5bf9\u8c61\u662fform\u3002<\/code><\/pre>\n
2\u3001\u4e8b\u4ef6\u7ed1\u5b9a<\/h3>\n
on(eve,[sel],[data],fn)     1.7+ \u5728\u9009\u62e9\u5143\u7d20\u4e0a\u7ed1\u5b9a\u4e00\u4e2a\u6216\u591a\u4e2a\u4e8b\u4ef6\u7684\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\nbind(type,[data],fn)            3.0- \u8bf7\u4f7f\u7528on()\none(type,[data],fn)         \u4e3a\u6bcf\u4e00\u4e2a\u5339\u914d\u5143\u7d20\u7684\u7279\u5b9a\u4e8b\u4ef6\uff08\u50cfclick\uff09\u7ed1\u5b9a\u4e00\u4e2a\u4e00\u6b21\u6027\u7684\u4e8b\u4ef6\u5904\u7406\u51fd\u6570<\/code><\/pre>\n
3\u3001\u89e3\u9664\u4e8b\u4ef6\u7ed1\u5b9a<\/h3>\n
off(eve,[sel],[fn])         1.7+ \u5728\u9009\u62e9\u5143\u7d20\u4e0a\u79fb\u9664\u4e00\u4e2a\u6216\u591a\u4e2a\u4e8b\u4ef6\u7684\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\nunbind(t,[d|f])             3.0- \u8bf7\u4f7f\u7528off()<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
jQuery \u4e00\u3001 jQuery\u4ecb\u7ecd \u4ec0\u4e48\u662fJquery l jQuery \u662f\u4e00\u4e2a\u9ad8\u6548\u3001\u7cbe\u7b80\u5e76\u4e14\u529f\u80fd\u4e30\u5bcc\u7684 J […]<\/p>\n","protected":false},"author":3,"featured_media":6764,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,404],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/6083"}],"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=6083"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/6083\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/6764"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}