\u8981\u6d4b\u8bd5 jQuery\uff0c\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u5c31\u662f\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684 HTML \u9875\u9762\uff0c\u5305\u542b jQuery \u5e93\uff0c\u5e76\u7f16\u5199\u4e00\u4e9b jQuery \u4ee3\u7801\u6765\u9a8c\u8bc1\u5176\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6d4b\u8bd5\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u901a\u8fc7 jQuery \u5b9e\u73b0 DOM \u64cd\u4f5c\u3001\u4e8b\u4ef6\u5904\u7406\u548c\u52a8\u753b\u6548\u679c\u3002<\/p>\n\n\n\n
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<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n <title>jQuery \u6d4b\u8bd5<\/title>\n <!-- \u5f15\u5165 jQuery -->\n <script src=\"https:\/\/code.jquery.com\/jquery-3.6.0.min.js\"><\/script>\n <style>\n #message {\n display: none;\n padding: 20px;\n background-color: lightgreen;\n border: 2px solid green;\n }\n #button {\n padding: 10px 20px;\n background-color: #4CAF50;\n color: white;\n border: none;\n cursor: pointer;\n }\n <\/style>\n<\/head>\n<body>\n\n <!-- \u6d4b\u8bd5\u7528\u7684\u6309\u94ae\u548c\u6587\u672c -->\n <button id=\"button\">\u70b9\u51fb\u663e\u793a\u6d88\u606f<\/button>\n <div id=\"message\">\u8fd9\u662f\u901a\u8fc7 jQuery \u663e\u793a\u7684\u6d88\u606f\uff01<\/div>\n\n <script>\n \/\/ jQuery \u6d4b\u8bd5\u4ee3\u7801\n $(document).ready(function() {\n \/\/ \u7ed1\u5b9a\u70b9\u51fb\u4e8b\u4ef6\n $('#button').click(function() {\n \/\/ \u4f7f\u7528 fadeIn() \u663e\u793a\u9690\u85cf\u7684\u6d88\u606f\n $('#message').fadeIn();\n });\n\n \/\/ \u53e6\u4e00\u79cd\u52a8\u753b\u6548\u679c\uff1a\u6539\u53d8\u6309\u94ae\u7684\u989c\u8272\n $('#button').hover(function() {\n $(this).css('background-color', 'darkgreen');\n }, function() {\n $(this).css('background-color', '#4CAF50');\n });\n });\n <\/script>\n\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n\u89e3\u91ca\uff1a<\/h4>\n\n\n\n\n- \u5f15\u5165 jQuery<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
\n- \u4f7f\u7528
<script src=\"https:\/\/code.jquery.com\/jquery-3.6.0.min.js\"><\/script><\/code> \u5f15\u5165\u4e86 jQuery \u5e93\uff0c\u8fd9\u4f7f\u5f97\u53ef\u4ee5\u5728\u9875\u9762\u4e2d\u4f7f\u7528 jQuery \u529f\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n\n- DOM \u64cd\u4f5c\u548c\u4e8b\u4ef6\u5904\u7406<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
\n- \u4f7f\u7528
$(document).ready()<\/code> \u6765\u786e\u4fdd DOM \u5b8c\u5168\u52a0\u8f7d\u540e\u518d\u6267\u884c JavaScript \u4ee3\u7801\u3002<\/li>\n\n\n\n- \u7ed1\u5b9a\u4e86\u4e00\u4e2a\u70b9\u51fb\u4e8b\u4ef6\uff0c\u5f53\u70b9\u51fb\u6309\u94ae\u65f6\uff0c\u8c03\u7528
$('#message').fadeIn()<\/code> \u663e\u793a\u9690\u85cf\u7684\u6d88\u606f\u3002<\/li>\n\n\n\n- \u4f7f\u7528
$('#button').hover()<\/code> \u7ed1\u5b9a\u4e86\u9f20\u6807\u60ac\u505c\u4e8b\u4ef6\uff0c\u901a\u8fc7 .css()<\/code> \u65b9\u6cd5\u6539\u53d8\u6309\u94ae\u7684\u80cc\u666f\u989c\u8272\u3002<\/li>\n<\/ul>\n\n\n\n\n- \u52a8\u753b\u6548\u679c<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
\nfadeIn()<\/code> \u7528\u4e8e\u6e10\u53d8\u663e\u793a\u9690\u85cf\u7684\u5185\u5bb9\uff0c\u6548\u679c\u81ea\u7136\u4e14\u6d41\u7545\u3002<\/li>\n\n\n\nhover()<\/code> \u65b9\u6cd5\u7528\u4e8e\u5728\u9f20\u6807\u60ac\u505c\u65f6\u6539\u53d8\u5143\u7d20\u7684\u6837\u5f0f\u3002<\/li>\n<\/ul>\n\n\n\n2. \u8fdb\u4e00\u6b65\u7684\u6d4b\u8bd5\uff1aAJAX \u8bf7\u6c42<\/strong><\/h3>\n\n\n\n\u4e3a\u4e86\u66f4\u6df1\u5165\u5730\u6d4b\u8bd5 jQuery\uff0c\u60a8\u8fd8\u53ef\u4ee5\u6d4b\u8bd5\u5982\u4f55\u4f7f\u7528 jQuery \u8fdb\u884c\u5f02\u6b65\u8bf7\u6c42\uff08AJAX\uff09\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u901a\u8fc7 jQuery \u53d1\u8d77\u4e00\u4e2a\u7b80\u5355\u7684 GET \u8bf7\u6c42\u3002<\/p>\n\n\n\n
\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n <title>jQuery AJAX \u6d4b\u8bd5<\/title>\n <script src=\"https:\/\/code.jquery.com\/jquery-3.6.0.min.js\"><\/script>\n <style>\n #data {\n margin-top: 20px;\n padding: 20px;\n background-color: lightblue;\n border: 2px solid blue;\n }\n <\/style>\n<\/head>\n<body>\n\n <button id=\"loadData\">\u52a0\u8f7d\u6570\u636e<\/button>\n <div id=\"data\"><\/div>\n\n <script>\n \/\/ AJAX \u6d4b\u8bd5\u4ee3\u7801\n $(document).ready(function() {\n $('#loadData').click(function() {\n \/\/ \u53d1\u8d77 GET \u8bf7\u6c42\n $.get('https:\/\/jsonplaceholder.typicode.com\/posts\/1', function(response) {\n \/\/ \u5728\u9875\u9762\u4e2d\u663e\u793a\u8bf7\u6c42\u7684\u6570\u636e\n $('#data').html('<h3>' + response.title + '<\/h3><p>' + response.body + '<\/p>');\n });\n });\n });\n <\/script>\n\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n\u89e3\u91ca\uff1a<\/h4>\n\n\n\n\n- GET \u8bf7\u6c42<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n
\n- \u4f7f\u7528
$.get()<\/code> \u65b9\u6cd5\u53d1\u8d77 GET \u8bf7\u6c42\uff0c\u83b7\u53d6\u4e00\u4e2a\u793a\u4f8b API\uff08JSONPlaceholder\uff09\u3002<\/li>\n\n\n\n- \u8bf7\u6c42\u6210\u529f\u540e\uff0c\u5c06\u8fd4\u56de\u7684 JSON \u6570\u636e\u4e2d\u7684\u6807\u9898 (
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\u793a\u4f8b\u4ee3\u7801\uff1a<\/h4>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n <title>jQuery \u8868\u5355\u9a8c\u8bc1<\/title>\n <script src=\"https:\/\/code.jquery.com\/jquery-3.6.0.min.js\"><\/script>\n <style>\n #error {\n color: red;\n display: none;\n }\n <\/style>\n<\/head>\n<body>\n\n <form id=\"myForm\">\n <label for=\"email\">\u90ae\u7bb1\uff1a<\/label>\n <input type=\"email\" id=\"email\" name=\"email\">\n <button type=\"submit\">\u63d0\u4ea4<\/button>\n <div id=\"error\">\u8bf7\u8f93\u5165\u6709\u6548\u7684\u90ae\u7bb1\u5730\u5740\u3002<\/div>\n <\/form>\n\n <script>\n \/\/ \u8868\u5355\u9a8c\u8bc1\n $(document).ready(function() {\n $('#myForm').submit(function(event) {\n \/\/ \u83b7\u53d6\u8f93\u5165\u7684\u90ae\u7bb1\n var email = $('#email').val();\n \/\/ \u6b63\u5219\u9a8c\u8bc1\u90ae\u7bb1\u683c\u5f0f\n var emailPattern = \/^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,6}$\/;\n\n if (!emailPattern.test(email)) {\n \/\/ \u5982\u679c\u4e0d\u5339\u914d\uff0c\u5219\u663e\u793a\u9519\u8bef\u4fe1\u606f\n $('#error').fadeIn();\n event.preventDefault(); \/\/ \u963b\u6b62\u8868\u5355\u63d0\u4ea4\n } else {\n $('#error').fadeOut();\n }\n });\n });\n <\/script>\n\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n\u89e3\u91ca\uff1a<\/h4>\n\n\n\n\n- \u5f53\u8868\u5355\u63d0\u4ea4\u65f6\uff0c\u4f7f\u7528
submit()<\/code> \u4e8b\u4ef6\u76d1\u542c\u5668\u6765\u9a8c\u8bc1\u90ae\u7bb1\u8f93\u5165\u3002<\/li>\n\n\n\n- \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u68c0\u67e5\u7528\u6237\u8f93\u5165\u7684\u90ae\u7bb1\u662f\u5426\u7b26\u5408\u683c\u5f0f\uff0c\u5982\u679c\u4e0d\u7b26\u5408\uff0c\u5219\u663e\u793a\u9519\u8bef\u4fe1\u606f\u5e76\u963b\u6b62\u8868\u5355\u63d0\u4ea4\u3002<\/li>\n<\/ul>\n\n\n\n
\n\n\n\n\u603b\u7ed3<\/h3>\n\n\n\n
\u901a\u8fc7\u4ee5\u4e0a\u793a\u4f8b\uff0c\u4f60\u53ef\u4ee5\u6d4b\u8bd5 jQuery \u7684\u591a\u4e2a\u5e38\u89c1\u529f\u80fd\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n
\n- DOM \u64cd\u4f5c<\/strong>\uff1a\u4f7f\u7528\u9009\u62e9\u5668\u8bbf\u95ee\u548c\u4fee\u6539\u5143\u7d20\u5185\u5bb9\u3002<\/li>\n\n\n\n
- \u4e8b\u4ef6\u5904\u7406<\/strong>\uff1a\u4e3a\u5143\u7d20\u6dfb\u52a0\u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u5982\u70b9\u51fb\u4e8b\u4ef6\u3001\u9f20\u6807\u60ac\u505c\u4e8b\u4ef6\u3002<\/li>\n\n\n\n
- \u52a8\u753b\u6548\u679c<\/strong>\uff1a\u4f7f\u7528
fadeIn<\/code>\u3001fadeOut<\/code>\u3001animate<\/code> \u7b49\u65b9\u6cd5\u5b9e\u73b0\u52a8\u6001\u6548\u679c\u3002<\/li>\n\n\n\n- AJAX \u8bf7\u6c42<\/strong>\uff1a\u4f7f\u7528
$.get()<\/code> \u548c $.post()<\/code> \u53d1\u8d77\u5f02\u6b65\u8bf7\u6c42\u5e76\u5904\u7406\u8fd4\u56de\u6570\u636e\u3002<\/li>\n\n\n\n- \u8868\u5355\u9a8c\u8bc1<\/strong>\uff1a\u901a\u8fc7 jQuery \u5b9e\u73b0\u5ba2\u6237\u7aef\u8868\u5355\u9a8c\u8bc1\u548c\u52a8\u6001\u53cd\u9988\u3002<\/li>\n<\/ol>\n\n\n\n
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